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Michael O'Laughlen, Jr. (3 June 1840 in Baltimore, Maryland - 23 September 1867 in Dry Tortugas National Park, Florida) was a conspirator in the assassination of Abraham Lincoln. O'Laughlen's last name was often misspelled by the press and others as O'Laughlin, but he was born Michael O'Laughlen (pronounced Oh-Lock-Lun).
O'Laughlen was one of John Wilkes Booth's earliest friends as the Booth family lived across the street from the O'Laughlens. O'Laughlen learned the trade of manufacturing ornamental plaster work. He also learned the art of engraving. At the outbreak of the Civil War O'Laughlen joined the Confederate Army but was discharged in June 1862. He returned to Baltimore and joined his brother in the feed and produce business.
O'Laughlen was one of Booth's earliest recruits. In the fall of 1864 O'Laughlen agreed to become a co-conspirator in the plot to kidnap President Abraham Lincoln. He began spending time in Washington DC with Booth picking up his expenses. On the night of March 15, 1865, O'Laughlen met with Booth and other conspirators at Gautier's Restaurant on Pennsylvania Avenue to discuss the possible abduction of the President. Basically, the plan was to abduct Lincoln and take him to Richmond, Virginia for the purpose of making the Union government exchange prisoners with the Confederacy.
Booth learned that Lincoln was scheduled to attend a matinee performance of the play Still Waters Run Deep at the Campbell Hospital on the outskirts of Washington on March 17, 1865. Booth, O'Laughlen, and the other co-conspirators planned on intercepting the president's carriage. The group lay in wait along the road. Finally, a polished carriage came into view and the gang prepared itself. But the president had changed plans and the carriage was possibly that of Chief Justice Salmon P. Chase. Booth's attempt to kidnap Lincoln had failed. O'Laughlen returned to Baltimore.
Late in March Booth proposed another kidnap plan. This time Lincoln was to be captured at Ford's Theatre, handcuffed, and lowered by rope to the stage. Then the president would be taken to Richmond. However, Booth was not able to convince his co-conspirators that this plan was feasible.
According to O'Laughlen, this was the end of his plotting with Booth. However, O'Laughlen did return to Washington DC the day before Lincoln's assassination. It is unclear whether this was due to the conspiracy or simply to spend time with friends in Washington. At the trial, there was conflicting testimony about O'Laughlen's movements on the day of the assassination. Whatever the case, O'Laughlen voluntarily surrendered on Monday, April 17, 1865.
O'Laughlen was tried along with Mary Surratt, Lewis Powell, George Atzerodt, David Herold, Samuel Arnold, Edmund Spangler and Samuel Mudd. The government attempted to prove he had stalked Ulysses S. Grant on the nights of April 13 and April 14 with the intent to kill and murder. This was not proven, but there was no doubt O'Laughlen was a willing conspirator through late March. He was found guilty and sentenced to life in prison.
O'Laughlen was sent to Fort Jefferson in the Dry Tortugas with Spangler, Arnold, and Mudd. He contracted yellow fever on September 19, 1867. Four days later, he seemed to be feeling better, but he wasn't. Sentries reported he was up and about. But suddenly he collapsed, and Dr. Mudd tended to him most of the night. Dr. Mudd tried his best to save him, but O'Laughlen became yet another victim of the yellow fever outbreak that swept through the prison.
On 13 February 1869, President Andrew Johnson ordered O'Laughlen's remains to be turned over to his mother. His body was then sent north to Baltimore. He was buried in Baltimore in Green Mount Cemetery. John Wilkes Booth and Samuel Arnold were also buried in the same cemetery.
In popular culture
He is a character in National Treasure: Book of Secrets. Among the film's many historical inaccuracies, O'Laughlen is portrayed as a middle-aged man (he was actually 24 years old in April 1865), and a member of the Knights of the Golden Circle.