Walter Smith Cox was a professor of law at what was then called Columbian University, known today as The George Washington University, in Washington, D.C.. On February 26, 1879, Cox was nominated by President Rutherford B. Hayes to a new seat on the United States District Court for the District of Columbia created by 20 Stat. 320. He was confirmed by the United States Senate on March 1, 1879, and received his commission the same day. During his service, he presided over the trial of Charles J. Guiteau, the assassin of President James A. Garfield. Cox retired from the federal bench on July
Charles J. Guiteau to be the center of attention for once in his life. Guiteau sent a letter in which he argued that Arthur should set him free because he had just increased Arthur's salary by making him president. At one point, Guiteau argued before Judge Cox that Garfield was killed not by the bullets but by medical malpractice ("The doctors killed Garfield, I just shot him"). Throughout the trial and up until his execution, Guiteau was housed at St. Elizabeths Hospital in the southeastern quadrant of Washington, D.C. While in prison and awaiting execution, Guiteau wrote a defense of the assassination he