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 months later from infections related to the wounds. In January 1882, Guiteau was sentenced to death for the crime, and was hanged five months later. Guiteau was born in Freeport, Illinois, the fourth of six children of Jane August (née Howe) and Luther Wilson Guiteau, whose family was of French Huguenot ancestry. He moved with his family to Ulao, Wisconsin (near current-day Grafton), in 1850 and lived there until 1855, when his mother died. Soon after, Guiteau and his father moved back to Freeport. He inherited $1,000 ($ today) from his grandfather as a young man and went to Ann