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Internet homicide refers to a killing in which victim and perpetrator met online, in some cases having known each other previously only through the Internet. Also Internet killer is an appellation found in media reports for a person who broadcasts the crime of murder online or who murders a victim met through the Internet. The first known murder of a victim met online was in 1996. Depending on the venue used, other terms used in the media are Internet chat room killer, Craigslist killer, Facebook serial killer. Internet homicide can also be part of an Internet suicide pact or consensual homicide. Some commentators believe that reports on these homicides have overemphasized their connection to the Internet.
Serial killers are murderers who target three or more victims sequentially, with a "cooling off" period between each murder, and whose motivation for killing is largely based on psychological gratification. Such killers have used forms of social networking to attract victims long before the advent of the internet. For example, between 1900 and 1914, Hungarian serial killer Béla Kiss lured his 24 victims by using personal ads published in newspapers.
According to Paul Bocj, the author of Cyberstalking: Harassment in the Internet Age and How to Protect Your Family, "The idea that a serial killer may have operated via the Internet is, understandably, one that has resulted in a great deal of public anxiety." In Harold Schecter's A to Z Encyclopedia of Serial Killers, the entry for "Internet" reads in part: "If the Internet has become a very useful tool for people interested in serial killers, there's some indication that it may also prove to be a resource for serial killers themselves." Maurice Godwin, a forensic consultant, argued that "There are some sadistic predators that rely on the Mardi Gras Effect ["the ability to hide one's identity on the Internet"] to lure and murder repeatedly." The first serial killer known to have used the Internet to find victims was John Edward Robinson, who was arrested in 2000 and was referred to in Law Enforcement News as the "USA's first Internet serial killer" and "the nation's first documented serial killer to use the Internet as a means of luring victims."
Online predators, participants in internet suicide and suicide-homicide pacts, and internet killers may seek out victims through internet forums, chat rooms, listservs, email, bulletin boards, social networking sites, online role playing games, online dating services, Yahoo groups, or Usenet.
Online chatrooms are sometimes used by killers to meet and bait potential victims. For example, the Japanese serial murderer Hiroshi Maeue is known to have found victims by using online suicide chat rooms. The killer Lisa M. Montgomery is reported to have met her victim in an online chatroom for rat terrier lovers called "Ratter Chatter."
Online chatrooms are also used, in some cases, to plan consensual homicides. For example, in 1996, a Maryland woman, Sharon Lopatka, apparently agreed to be killed by torture and strangulation in a conversation with a man in an online chatroom. Robert Frederick Glass pleaded guilty to killing Lopatka and later died in prison while serving his sentence. In a case that might be regarded as a quasi-consensual homicide, "John," a teenage boy from Altrincham, England, allegedly tricked another teenager into killing him using long conversations in an online chatroom. The other teenager, Mark, apparently believed he was being recruited by some female Secret Service agent. The suicide-by-homicide failed and on May 29, 2004 John pleaded guilty to inciting someone to murder him and was sentenced to three years supervision. Mark pleaded guilty to attempted murder and was sentenced to two years supervision. The boys were forbidden to contact each other.
As an article in the New York Daily News explained in 2009, "Long before there was a craigslist or dot-com dating, there were places where men and women who were too shy or busy to meet face to face could find romance. Calling themselves "matrimonial bureaus," these organizations were known mostly as the "lonely hearts clubs," and they flourished through the middle of the 20th century." It was in venues like these—print media such as newspaper classified ads and personal or lonely hearts club ads—that 20th century murderers such as Harry Powers, the so-called "Matrimonial Bureau Murderer," and Harvey Carignan, "the Want Ad Killer" met their victims.
Electronic advertising has gradually replaced printed ads and the internet is now a venue where murderers who employ a similar modus operandi can meet their victims; in Schecter's Encyclopedia, the entry for "Ads" mentions internet dating and the use of internet ads by the so-called "Internet Cannibal" Armin Meiwes. Since 2007, several accused and convicted killers have contacted victims through advertising services such as Craigslist, a popular classified advertising website. These killers are sometimes referred to in the media as "Craigslist killers"; the first use of the term Craigslist killings may date to October 31, 2007, when the phrase appeared in a headline in the Saint Paul Pioneer Press in Minnesota, in reference to the murder of Katherine Olson by Michael John Anderson, who was then dubbed "the Craigslist killer".
Since 2007, several suspected and convicted perpetrators have met their victims or solicited murder through Craigslist. Of those cases, two were convicted for crimes in the three-month period encompassing February to April 2009 and a further four were accused of crimes during the 13-month span of March 2008 through April 2009. Although, by definition, Craigslist will have been the initial contact point and a killing will have taken place in order for the suspected, accused, or convicted perpetrator to be dubbed a Craigslist killer, the actual motivations of these criminals are varied. The victims' deaths may result from a robbery or a sexual encounter that turned violent. Some of these perpetrators may not have intended to commit murder, but killed their victims during the course of a struggle or to prevent capture. Each case is different.
According to Michael Largo, the author of Final Exits: The Illustrated Encyclopedia of How We Die, "Internet dating is becoming very popular, but since 1995, there's been[...] over 400 instances where a homicide has been related to the person that [the victim] met online."[not in citation given (See discussion.)]
Criticism of the concept
Several legal and technology experts have questioned the idea that there is a phenomenon of "internet killings". A legal theorist pressed for an "internet angle" on a murder by a journalist related that "I asked her whether, if I called her up and asked her out on a blind date and murdered her, she would think it was a "telephone-related murder"?". Leslie Harris, CEO of the Center for Democracy and Technology said of the term "Craigslist Killer" that "A great many of the tragic incidents that tangentially involve the Internet have little or nothing to do with the Internet itself. The Craigslist case is the latest example of that phenomenon. Craigslist is an innovative and valuable resource, which frankly, is being unfairly smeared because it is an Internet site." The book Hypercrime argues that "The more one looks, the more these widely circulated instances of 'cyberkilling' appear to vanish into the smoke of a 'cyberspace'." Susan Brenner, a professor of law and technology wrote that "Is it a cybercrime for John to meet Mary on the Internet, correspond with her and use e-mail to lure her to a meeting where he kills her? News stories often describe conduct such as this as a cybercrime, or as 'Internet murder.' But why is this anything other than murder? We do not, for example, refer to killings orchestrated over the telephone as 'tele-murder' or by snail mail as 'mail murder.' It seems that this is not a cybercrime, that it is simply a real-world crime the commission of which happens to involve the use of computer technology," but she conceded that "there may be reasons to treat conduct such as this differently and to construe it as something other than a conventional crime."
Notable Internet homicides
The following individuals have been arrested and/or convicted of crimes in which police claimed that Internet services such as chat rooms and Craigslist advertisements were used to contact victims or hire a murderer. Despite sharing a similar method of contacting victims, they apparently have varied motivations. In the list below, the victims' deaths may have been premeditated, especially if the perpetrator is a serial killer, but they may also have resulted from a robbery, insurance fraud, or a sexual encounter that turned violent.
- The Murder of Ofir Rahum was a shooting attack which occurred on 17 January 2001, in which Palestinian militants from the Tanzim faction of Fatah killed 16-year-old Israeli high school student Ofir Rahum on the outskirts of Ramallah. The murder was planned and initiated by a Palestine Liberation Organization collaborator, 24-year-old Mona Jaud Awana from Bir Nabala. Awana conducted long private conversations in English with Rahum on the internet via ICQ, during which she masqueraded as a Jewish Israeli girl. Awana managed to gain Rahum's confidence and to get him to meet with her in Jerusalem, supposedly for romantic purposes. When he arrived for the meeting, she drove him through the border control into the Palestinian-controlled territory and towards a secluded area on the outskirts of Ramallah where Palestinian terrorists shot him at close range, with Awana standing aside and watching. Awana was tried and convicted of murder, she was sentenced to life imprisonment.
- The consensual murder of Bernd Jürgen Brandes by the so-called "Internet cannibal" Armin Meiwes; the two met at a web site called The Cannibal Cafe, where people described their fantasies of cannibalism, and where Meiwes openly advertised for a willing victim.
- Michael John Anderson was convicted of murdering Katherine Olson in Minnesota in October 2007. According to an article in the Saint Paul Pioneer Press, "The 19-year-old Savage man used Craigslist to lure Katherine Ann Olson to his home for a fictitious baby-sitting job, then shot her in the back."
- In 1998, Chris Dean, a truck driver from Indiana, was sentenced to life imprisonment for the murder of 17-year-old Chris Marquis from Vermont. Marquis operated a scam in which he would pose as the 27-year-old proprietor of a fictional shop called the CB Shack, and offer to trade merchandise with people online. When people sent Marquis their goods, he would either not send anything back or would send something old or broken. Dean fell victim to this, built a pipe bomb and mailed it to Marquis, killing him and injuring his mother.
- David Russell, a UK McDonald's worker, impersonated Bring Me The Horizon singer Oliver Sykes to seduce a California woman he met on Facebook before slitting her throat and repeatedly stabbing her. Russell, 20, has been jailed for life after admitting to the kidnap and attempted murder of Maricar Benedicto, 19, whom he met online in 2010.
- Robert Frederick Glass, a computer analyst from North Carolina killed Sharon Lopatka by torture and strangulation in a case of apparent consensual homicide on October 16, 1996. Lopatka used the Internet, where she also advertised pornography related to unusual sexual fetishes, to locate Glass, who was later convicted of voluntary manslaughter for the crime.
- Christian Grotheer, known as "Germany's First Internet Killer," confessed to two murders in 2009. According to an article in the Daily Telegraph, he admitted to "murdering women he met in online chat rooms."
- David Heiss, a 21-year-old German office worker, became infatuated with a British girl, Joanna Witton, 20, who along with her boyfriend Matthew Pyke, 20, was an administrator of the Advance Wars series fansite, Wars Central. After his advances were rebuffed, including two visits, Heiss traveled to the UK once more and stabbed Matthew Pyke to death. He was jailed for life in May 2009. A police spokesman noted that, "While this is an extremely unusual case, one thing is clear and that is that Heiss used the internet to harass and stalk Joanna and Matthew. He eventually found out where they lived and other information about them that enabled him to carry out his plans. We should all consider the amounts of personal information we share on web systems like MSN and on internet forums."
- John Katehis, a teenager, was arrested and indicted for the murder of ABC radio news reporter George Weber in New York in March 2009. The two had met through Craigslist, and journals such as The Advocate called the suspect an "Alleged Craigslist Killer".
- Bernard George Lamp, a 51-year-old resident of Troutman, North Carolina was charged with murder and first-degree kidnapping on March 22, 2008 in the death of a woman from Cornelius, North Carolina; according to news reports, she had "agreed to meet the man accused of killing her after encountering him on Craigslist."
- Ann Marie Linscott, a 49-year-old Michigan woman, was arrested in January 2008 for soliciting murder on Craigslist, where she offered $5,000 "for someone willing to kill the unsuspecting wife of a man she'd begun an affair with online"; in February 2009, she was found guilty of attempted murder-for-hire and sentenced to 12 years and seven months in prison.
- Hiroshi Maeue was known as the "Suicide Website Murderer". According to an article in the Sydney Morning Herald, this killer utilized "suicide websites [as] an aid to murder". Although he posed online as someone who wished to carry out internet suicide pacts, he choked his victims to death when they met in person.
- Edward Frank Manuel, arrested in January 2003, was dubbed the "Internet suicide chat room killer" by United Press International and other news sources.
- Philip Markoff, known as "The Craigslist killer" in numerous news reports, was arrested and indicted in April 2009 for the murder of Julissa Brisman and for other attacks against women that occurred in Massachusetts and Rhode Island; he had met the women through their online advertisements in Craigslist, where they had advertised erotic services. It is unknown whether Markoff was guilty of the charges. He committed suicide in jail on August 15, 2010, several months prior to the scheduled trial.
- Lisa M. Montgomery, also known as "the Womb Robber", assumed a false persona as an online chat room dog buyer in order to meet with a woman whom she already knew to be pregnant, then killed the woman in order to steal her fetus on December 17, 2004; she was convicted of murder on October 22, 2007; the baby survived.
- Thomas Montgomery, a 47-year-old married man was convicted in 2007 of murdering a workmate in a case called the "Internet Chatroom Murder". He posed as "Tommy", a 21-year-old marine, and began an online relationship with a 17-year-old called Jessi. A workmate of his, 22-year-old Brian Barrett, subsequently began an online relationship with the same girl after Montgomery's deception was revealed, and Montgomery shot him in their work car park. "Jessi" was actually a middle-aged woman who had been using pictures of her daughter. A police officer said of Montgomery: "he became a completely different person online". Another commented that: "It's very odd that someone would take another's life over jealousy of a person you've never laid your eyes on". A documentary about this case entitled Talhotblond (Jessi's screen name) was released in 2009.
- John Edward Robinson, known in the media as "The Internet Slave Master" and "the first Internet serial killer", met his victims through the Internet and tortured them to death.
- Korena Roberts was arrested in June 2009 for allegedly killing 21-year-old Heather Snively—who was eight-months pregnant—and her fetus, by cutting open her abdomen. They were reported to have met on through an advertisement by Roberts on Craigslist for the sale of baby clothes.
- In 2009, Anthony Powell, a 28-year-old student at the Henry Ford Community College in Detroit, shot and killed fellow student, 20-year-old Asia McGowan, before shooting himself. Powell had a history of mental illness and used his YouTube account to make hate videos against black women and atheists. McGowan also had an account at YouTube. Powell became obsessed with McGowan through her account, and began stalking her on both YouTube and Facebook. He had decided that black women like McGowan were naturally promiscuous, and had made videos with titles such as "Black Women Don't Deserve Respect", shortly before killing McGowan. Many of Powell's videos were so concerning that many Υoutube users contacted the Detroit police about them.
- In 2008, Hughstan Schlicker, a 15-year-old from Mesa, Arizona, shot his father, Ted Schlicker, in the back of the head. After Hughstan had threatened suicide in a Myspace post, Ted—worried that his son might kill himself—had banned Hughstan from the Internet; as a result, Hughstan had become hateful to his father. Ted also had hidden the family shotgun. However, after Hughstan played hookey from school, he found the gun hidden in a shed, waited at home for his father, and then shot him in the back of the head as his father entered the house. Hughstan then planned to kill himself but was unable to follow through.
- In 2013, Richard Beasley, a 53-year-old from Summit County, Ohio, was convicted and given the death penalty for luring three men to their deaths using a Craigslist ad for a non-existent job in 2011. Beasley was convicted in March of kidnapping and killing David Pauley, 51, of Norfolk, Virginia; Ralph Geiger, 56, of Akron, Ohio, and Timothy Kern, 47, of Massillon, Ohio. He was also convicted of the attempted murder of Scott Davis, 49, a South Carolina man who answered the Craigslist ad and was shot in the arm while escaping after meeting Beasley and his 16 year old accomplice, Brogan Rafferty.
- In 2013, newlywed couple Miranda and Elytte Barbour were arrested and charged with the murder of Troy LaFerrara. The Barbours allegedly met LaFerrara after he answered the couple's Craigslist ad offering "companionship" and conversation in exchange for payment.
- In February 2015, attorney David Messerschmitt was murdered in a hotel room in DC. According to police records, he had posted a listing on Craigslist requesting a sexual encounter, but was answered by two women who planned to rob him.
In popular culture
The theme of internet homicide has proven popular in fiction, with examples seen in books, television shows, and movies, in a number of which the murderer is referred to as "the Internet Killer" by other characters.
The following examples are listed by date order of publication or broadcast; three of them predate the arrest in 2000 of John Edward Robinson, thought by law enforcement to be "the first Internet serial killer":
- The third-season episode of The X-Files entitled "2Shy" featured as its monster of the week a fat-eating mutant named Virgil Incanto who seduced overweight women online and killed them upon meeting in real life.
- The second season of the TV series Millennium featured an episode called The Mikado, about a serial killer based loosely upon the Zodiac Killer. The killer would contact people on internet chat groups, kidnap them and then broadcast their death live via a webcam once the site counter reached a certain level.
- The fifth season of the TV series Criminal Minds featured two episodes involving Internet serial killers. The first, Risky Business, was about a killer who set up a website encouraging teenagers to engage in auto-erotic asphyxiation in a particularly dangerous manner, tricking them into committing suicide. The second, The Internet Is Forever, is about a serial killer who sets up hidden cameras in women's homes and strangles them to death while the whole act is being broadcast live on the web for his "fans" to see.
- Strangeland was a 1998 film written by Dee Snider about a schizophrenic sexual sadist who lures victims via the Internet, forcing them to submit to ancient tribal rituals. "I came up with the idea of Internet crime before anybody had ever committed Internet crime," Snider has said.
- Homicide: Life on the Street, a television series police drama, featured an extended multi-week storyline in May 1999 in which a character named Luke Ryland was known as "The Internet Killer."
- FeardotCom was a 2002 movie about a killer internet web site.
- The Card Player (Il cartaio) was a 2004 film made in Italy; written and directed by Dario Argento, it tells the story of a policewoman from Rome who teams up with a British Interpol agent to track down an internet serial killer who abducts and kills young women and broadcasts the crimes via Internet web cam.
- The Netroom Predator by Nicholas Bain was a 2007 novel in which the antagonist is a character called "the Internet Killer" (The Taylor homicide was the work of the Internet Killer!" Lee proclaimed. "You got the coroner's report?" Jim guessed. "No, just unofficial confirmation ...)
- Untraceable was a 2008 Sony Pictures film starring Diane Lane in which FBI agent Jennifer Marsh was tasked with hunting down a seemingly untraceable serial killer who posted live videos of his victims on the Internet.
- Downloading Nancy was a 2008 film starring Maria Bello in which unhappy wife Nancy Stockwell decides to end her life by meeting a man over the internet and forming a consensual agreement that he will kill her.
- In March 2015, during the first week of The Late Late Show with James Corden, host James Corden listed several dozen ways to connect with the show via social media. The list started with "Follow me on Twitter, Like me on Facebook, ..." and ended with "or murder me on Craigslist."
- Computer crime
- Internet suicide pact
- Lonely hearts killer (or want-ad killer)
- Online predator
- Assisted suicide
- Consensual homicide
- Psychiatric mental health nursing, Katherine M. Fortinash, Patricia A. Holoday-Worret, 2007 - Page 509, definition: "Internet Homicide: Luring a person from a chat room to an actual meeting. Can turn deadly."
- http://www.napavalley.edu/Projects/189/Chapter_022_4th_ed__handout.pdf Napa Valley College teaching text: Chapter 22, definition: "Internet Homicide: Luring a person from a chat room to an actual meeting. May turn deadly."
- Killers on the Web: True Stories of Internet Cannibals, Murderers and Sex Criminals by Christopher Berry-Dee and Steven Morris, John Blake Publishing, 2006. ISBN 978-1-84454-188-1
- McGuire, Michael (2007). Hypercrime: the new geometry of harm. Routledge. ISBN 9781904385530.
- Criminal Profiling: An Introduction to Behavioral Evidence Analysis by Brent E. Turvey, 2008 ("... the Internet enables offenders to gain control of their victims.")
- "A KILLING BRINGS ON AN INTERNET DRAGNET< VICTIM, SUSPECT MET IN A ``CHAT ROOM. THE PROBE HAS RAISED A STIR.". Philadelphia Inquirer. 31 January 1996. Retrieved 2009-06-10.
- Harris, Leslie (24 April 2009). "Because "Classified Ad Killer" Doesn't Have the Same Ring". Huffington Post. Retrieved 2009-06-10.
- Holmes and Holmes, Contemporary, p. 1
- Burkhalter Chmelir, Sandra (2003). "Serial Killers". In Robert Kastenbaum. Macmillan Encyclopedia of Death and Dying. 2. New York, New York: Macmillan Reference USA/Thomson/Gale. p. 1. Archived from the original on 2008-09-21.
- Greig, Charlotte (2005). Evil Serial Killers: In the Minds of Monsters. New York: Barnes & Noble. p. 194.
- Cyberstalking: Harassment in the Internet Age and How to Protect Your Family by Paul Bocj, Praeger Publishers, 2004
- The A to Z Encyclopedia of Serial Killers, Harold Schechter, Pocket Books, 1997, Revised Updated edition July 4, 2006 ISBN 978-1-4165-2174-7
- Godwin, Maurice (Summer 2005). "CyberMurder.com". Web Mystery Magazine. Retrieved 2009-06-10.
- "Bistate task force thinks it has USA's first Internet serial killer - L.E.N. Vol. XXVI, No. 536". John Jay College of Criminal Justice/CUNY. June 30, 2000. Retrieved April 24, 2009.
John Robinson posed first as a kindly philanthropist eager to help troubled young women out of poverty, then as "Slavemaster," a sadomasochist seeking like-minded partners. Now, investigators assigned to a Kansas-Missouri task force believe they may have in custody the nation's first documented serial killer to use the Internet as a means of luring victims.
- Clues from killers: serial murder and crime scene messages. Dirk Cameron Gibson, 2004
- "Online Predators: Help minimize the risk" Microsoft Corporation, 24 September 2008
- Williams, Pete (2006-02-03). "MySpace, Facebook attract online predators". MSNBC. Retrieved 2006-12-08.
- Burt, David (2009-03-16). "Playstation Pedophiles". Filtering Facts. Retrieved 2009-03-16.
[G]aming consoles such as PlayStation, Wii, and Xbox have become Internet-enabled, interactive devices. This provides an opportunity for pedophiles to befriend and groom minors.
- Psychiatric Mental Health Nursing, Katherine M. Fortinash and Patricia A. Holoday-Worret, 2007 - Page 509, definition: "Internet Homicide: Luring a person from a chat room to an actual meeting. Can turn deadly."
- "Suicide websites an aid to murder". Sydney Morning Herald. August 12, 2005. Retrieved April 23, 2009.
- "Law Center: Couple allegedly showed off kidnapped baby; Dad united with daughter". [CNN]. December 20, 2004. Retrieved April 27, 2009.
[Montgomery], using a fictitious name, contacted Stinnett on Wednesday through an Internet chat room about looking at rat terriers the Stinnetts sold over the Internet. [...] The Internet chat room "Ratter Chatter," a haven for rat terrier lovers in cyberspace, was overwhelmed with responses from its users, many of whom indicated they knew both the victim and suspect in the case.
- FoRK Archive: Networking With Stranger Was Fatal
- Internet Assisted Suicide: The Story of Sharon Lopata by Rachael Bell, at CrimeLibrary.com
- Nigel Bunyan (May 30, 2004). "Boy used chat room to get himself killed". Sydney Morning Herald. Retrieved April 26, 2009.
- Bovsun, Mara (April 5, 2009). "Lonely Hearts Murderer'". New York Daily News. Retrieved April 22, 2009.
Long before there was a craigslist or dot-com dating, there were places where men and women who were too shy or busy to meet face to face could find romance. Calling themselves "matrimonial bureaus," these organizations were known mostly as the "lonely hearts clubs," and they flourished through the middle of the 20th century. [...] (The article is a sidebar to a story about Philip Markoff, a "Craigslist killer" and it describes the murders committed in 1931 by Harry F. Powers, the so-called "Matrimonial Bureau Murderer," also known as "The West Virginia Bluebeard" and "The Butcher of Clarksburg.")
- "The Want Ad Killer" by Ann Rule, 1983 ISBN 0-451-16688-4. (This book is about the serial killer Harvey Carignan.)
- "Craigslist Killer Michael John Anderson". New York Daily News. April 2, 2009. Retrieved April 21, 2009.
April 2, 2009: New York Daily News refers to Michael John Anderson as "Craigslist Killer."
- "Alleged Craigslist Killer: 'Cash for Story'". The Advocate. March 30, 2009. Retrieved April 21, 2009.
March 30, 2009: The Advocate refers to John Katehis as "Craigslist Killer."
- Ford, Beverly; Pearson, Erica; Kennedy, Helen (April 20, 2009). "Cops have Philip Markoff, suspected 'Craigslist Killer' of model Julissa Brisman, in custody". New York Daily News. Retrieved April 21, 2009.
Suspected "Craigslist killer" may have robbed his victims to pay off gambling debts.
- "Craigslist killings: Police say suspect Michael John Anderson left a trail of evidence.". New York: Saint Paul Pioneer Press. October 31, 2007. Retrieved April 23, 2009.
- "Caught up in a violent Web". Boston Herald. April 19, 2009. Retrieved April 23, 2009.
Law enforcement officials warn that the slaying of Julissa Brisman is far from the only violent crime linked to Craigslist.
- Final Exits: The Illustrated Encyclopedia of How We Die by Michael Largo, HarperCollins, 2006 ISBN 0-06-081741-0, ISBN 978-0-06-081741-1
- Largo, Michael (9 May 2007). "Loved To Death". Internet Archive. Retrieved 2017-03-08. archived from "the original".
- Turkle, Sherry (2004). "1: "Spinning" Technology". In Marita Sturken; Douglas Thomas; Sandra Ball-Rokeach. Technological Visions: The Hopes and Fears that Shape New Technologies. Temple University Press. p. 20. ISBN 9781592132270.
- Brenner, Susan W. (Fall 2004). "Cybercrime Metrics: Old Wine, New Bottles?" (PDF). Virginia Journal of Law & Technology. University of Virginia. 9 (13).
- Hershman, Tania (19 January 2001). "Israel's 'First Internet Murder'". Wired. Archived from the original on October 25, 2012.
- The Murder of Ofir Rahum
- Ynet, Hebrew 21.10.03
- Ynet, Hebrew 6.11.03
- "The Man Who Ate His Lover". Body Shock (Channel 4 TV, UK).
- "Craigslist Killer Michael John Anderson". Saint Paul Pioneer Press. October 31, 2007. Retrieved April 23, 2009.
The 19-year-old Savage man used Craigslist to lure Katherine Ann Olson to his home for a fictitious baby-sitting job, then shot her in the back, according to the criminal complaint filed Tuesday.
- Wired https://www.wired.com/wired/archive/6.12/murder.html. Missing or empty
- "UK Man Impersonates BMTH's Oliver Sykes, Jailed for Attempted Murder of California Woman". SMNnews.com. 2011-10-05. Retrieved 2014-04-11.
- Internet Assisted Suicide: The Story of Sharon Lopatka by Rachael Bell, at CrimeLibrary.com
- "'Germany's First Internet Killer,' Christian G, Admits Murdering Women He Met Online". Huffington Post. January 15, 2009. Retrieved April 23, 2009.
- "'Internet killer' admits murdering women he met in online chat rooms". London Telegraph. January 15, 2009. Retrieved April 23, 2009.
- "Police warn of internet danger after office worker jailed for life for murder". Daily Telegraph. London. 11 May 2009. Retrieved 2009-05-13.
- "Web murderer given life sentence". BBC News. 11 May 2009. Retrieved 2009-05-13.
- "Police: Slain Reporter Met Teen Killer on Craigslist". KTLA. March 25, 2009. Retrieved April 20, 2009.
- "Warrants detail how murder victim, suspect met online, after e-mailing, they set up a meeting in person, documents say". Charlotte Observer. March 22, 2008. Retrieved April 23, 2009.
- "California Woman Targeted For Murder On Craigslist". WJZ. January 26, 2008. Retrieved April 23, 2009.
Craigslist has gained some level of notoriety for ads posted by prostitutes and the killing of a Minnesota woman last year who responded to an ad for a baby sitter. However, authorities and company officials say the murder-for-hire scheme appears to be the first of its kind.
- "Internet suicide chat room killer held". United Press International. January 10, 2003. Retrieved April 23, 2009.
- Finucane, Martin (2010-08-17). "DA: Markoff fashioned 'primitive scalpel' to kill himself". Boston Globe. Retrieved 2010-08-18.
- "Husband of accused 'womb robber' believed baby was hers". London: Daily Mail. December 22, 2004. Retrieved April 23, 2009.
- "The internet chatroom murder". Assignment (BBC World Service). Season 2007. November 2007. Retrieved 10 June 2009.
- Labi, Nadya (21 August 2007). "An IM Infatuation Turned to Romance. Then the Truth Came Out". Wired. Retrieved 2009-06-10.
- Talhotblond: on imdb
- 'Internet Slave Master' by John Glatt, 2001, St. Martin's Paperbacks. ISBN 0-312-97927-4
- 'Anyone You Want Me to Be: A True Story of Sex and Death on the Internet' by John Douglas and Stephen Singular.
- USA Today. August 13, 2010 https://web.archive.org/web/20090610224303/http://blogs.usatoday.com/ondeadline/2009/06/ore-woman-accused-of-killing-mothertobe-baby-cut-from-womb.html. Archived from the original on June 10, 2009. Missing or empty
- Butiwantcake (2009-04-28). "The Murder of Asia McGowan". BlogHer. Retrieved 2014-04-11.
- Monday (2009-04-13). "YouTube Facebook Murder: Black Woman Slaughtered by Crazed Fellow YouTuber and Facebook Stalker-Detroit Police Ignored Warnings by YouTubers". What About Our Daughters. Retrieved 2014-04-11.
- "Asia McGowan (20) was shot and killed in a murder-suicide". MyDeathSpace.com. Retrieved 2014-04-11.
-  Archived June 14, 2011, at the Wayback Machine.
- Palmer, Kim (April 4, 2013). "Ohio judge sentences convicted Craigslist killer to death". Reuters. Retrieved 2014-04-11.
- "The Craigslist killers". The Observer. 10 November 2013. Archived from the original on 2013-11-10. Retrieved 10 November 2013.
- Hannah Rosin (14 August 2013). "Murder by Craigslist". The Atlantic. Retrieved 29 December 2013.
- Draznin, Haley, Welch, Chris, Candiotti, Susan (February 16, 2014). "Woman accused in Craigslist slaying tells newspaper: I've killed lots of others". CNN.
- "Scant evidence of satanic 'Craigslist killer' Miranda Barbour's claims of mass murder: authorities". ABC News. December 7, 2013.
- "Newlyweds Accused of Thrill-Kill Craigslist Murder". NY Daily News. New York. February 19, 2014.
- "Strangeland: Disciple Casting Call". Deesnider.com. Retrieved 2014-04-11.
- "It looks like it's going to be a cheesy, senseless 'Internet killer' flick, when in reality 'Feardotcom' is a very cinematic, smart, only slightly senseless 'Internet killer' flick." http://media.www.theonlinerocket.com/media/storage/paper601/news/2002/09/06/Entertainment/Feardotcom.Dotbad-267853.shtml
- http://www.imdb.com/title/tt0330691/plotsummary Plot summary for Il cartaio (2004) at IMDb.
- "Cyber Menace: Successful Silicon Valley Couple Endangered by Internet Killer in New Book" (The Netroom Predator) http://www.ereleases.com/pr/cyber-menace-successful-silicon-valley-couple-endangered-by-internet-killer-in-new-book-9491
- official Untraceble site at Sony Pictures
- http://www.katu.com/entertainment/14237257.html The idea of the internet killer has been done before (Feardotcom, The Card Player)
- Max Linsky (August 24, 2013). "The Longform Guide to Craigslist Crime". Slate.