District of Columbia City Hall Scott Key, (1779–1843), and was sentenced to a mental institution. The building was also the site of the 1867 trial of John Surratt, an alleged conspirator in the assassination of Abraham Lincoln who was later acquitted. However, Charles J. Guiteau, the assassin of President James A. Garfield, was convicted at the courthouse in 1882. The Old City Hall was the scene of a fugitive slave trial known as the "Pearl incident," which was the largest single escape by slaves attempted in U.S. history. Two men were convicted in 1848 of attempting to free more than 70 slaves by sailing them
Charles J. Guiteau Arbor, Michigan, in order to attend the University of Michigan. Due to inadequate academic preparation, he failed the entrance examinations. Despite cramming in French and algebra at Ann Arbor High School, during which time he received numerous letters from his father concerning his progress, he quit, and in June 1860 joined the utopian religious sect the Oneida Community, in Oneida, New York, with which Guiteau's father already had close affiliations. According to Brian Resnick of "The Atlantic", Guiteau "worshiped" the group's founder, John Humphrey Noyes, once writing that he had "perfect, entire and absolute confidence in him in all things".