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
Assassination of James A. Garfield the station, but he collided with policeman Patrick Kearney who was entering the station after hearing the gunfire. Kearney apprehended Guiteau and was so excited at having arrested the man who had shot Garfield that he neglected to take his gun from him until after they arrived at the police station. Kearney demanded, "In God's name, what did you shoot the president for?" Guiteau did not respond. The rapidly gathering crowd screamed, "Lynch him", but Kearney and several other police officers took the assassin to the police station a few blocks away. As he surrendered to authorities, Guiteau uttered the