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 probing the wound with unwashed hands and non-sterilized instruments, Garfield died on September 19, eleven weeks after being shot. Most modern physicians familiar with the case state that Garfield would have easily recovered from his wounds with sterile medical care, which was common in the United States a decade later, while Candice Millard argues that Garfield would have survived Guiteau's bullet wound had his doctors simply left him alone. However, Garfield's biographer Allan Peskin stated that medical malpractice did not contribute to Garfield's death; the inevitable infection and blood poisoning that would ensue from a deep bullet wound resulted in