William Henderson Foote's great grand daughter Patricia Nolcox, right, and great grand niece Bettye Gardner, left, place flowers near the newly-unveiled on Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) Memorial Wall during a memorial ceremony to honor the first African American post-reconstruction era federal law enforcement officer killed in the line of duty, Monday, May 14, 2012, in Washington. The name of William Henderson Foote, a deputy collector with an ATF legacy agency, the U.S. Department of the Treasury, Bureau of Internal Revenue (BIR), was unveiled on ATFís Memorial Wall during an event commemorating National Police Week. Foote was killed Dec. 29, 1883, in Yazoo City, Miss., almost 130 years ago. (AP Photo/Manuel Balce Ceneta)