Mapping the Dead: Gun Deaths Since Sandy Hook Posted: 03/22/2013 6:07 pm EST | Updated: 03/22/2013 11:29 pm EST: “The Huffington Post compiled news reports of gun-related homicides and accidental deaths in the U.S. since the massacre in Newtown, Conn. on the morning of Dec. 14.” [Note: there have been 2,243 Americans killed with guns since Sandy Hook as of March 22, 2013]