BJ Kang

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BJ Kang is an American Federal Bureau of Investigation special agent known for high-profile investigations of securities fraud. After leading the perp walk of Bernie Madoff in 2008 and Raj Rajaratnam in 2009, Reuters described him as possibly "the most feared man on Wall Street."[1]


Kang was an accountant before becoming an FBI agent.[2] He started as an investigator in many types of cases before focusing on insider trading in 2006.[2]

Kang was the lead investigator in the insider trading case against Raj Rajaratnam.[3] In a Newsweek interview Rajaratnam says that when he was arrested Kang taunted him by telling him: “Take a good look at your son. You’re not going to see him for a long time. Your wife doesn’t seem so upset. Because she’s going to spend all your money.”[4]

He led the investigation into insider trading at S.A.C. Capital Advisors in 2011, concentrating efforts on arresting Mathew Martoma and attempting to get him to flip on S.A.C. Capital head Steve Cohen.[5] By 2012 he would move on from New York to the Washington office, sparking fears that his departure along with another two key investigation and prosecution team members would cause the insider trading cases pursued by the FBI to falter.[2]


  1. ^ Goldstein, Mathew, "The FBI agent inside the Galleon case", Reuters 
  2. ^ a b c "Job Churn Hits Insider Probe". Wall Street Journal. August 10, 2012. 
  3. ^ Lattman, Peter, "Galleon Wiretap Application Under Scrutiny", Dealbook 
  4. ^ "Raj Rajaratnam Reveals Why He Didn't Take a Plea". Newsweek. December 23, 2011. 
  5. ^ "The Empire of Edge". New Yorker. October 13, 2014.