From MPD:
“On Wednesday, January 19, 2011, at 2311 hours, units from the Fifth District were dispatched to the intersection of North Capitol St and Florida Ave to investigate a report of the sound of gunshots. Prior to their arrival, a unit from the First District was flagged down by a citizen and advised of a shooting victim on the Northwest corner of the intersection of North Capitol St. and Florida Ave. NW. DCFEMS responded to the scene and transported the victim (an adult male) to an area hospital, suffering from a gunshot wound to the torso. The victim later died as a result of the injuries. Violent Crime Branch detectives are investigating the case and ask if anyone has information please contact MPD immediately 202-727-9099.”
Bates Area Civic Association 
Here is a Washington Post article on the murder of Billy Mitchell at North Capitol Street NW and Florida Avenue NW:
Random act of violence claims man`s life
By Theola Labbé-DeBose
Washington Post Staff Writer
Friday, January 21, 2011; 11:33 PM
http://www.washingtonpost.com/wp-dyn/content/article/2011/01/21/AR2011012106944.html