CBS News reporter Sharyl Attkisson has revealed a recent document submitted by the Department of Justice to congressional investigators. The document shows that guns linked to Operation Fast and Furious are responsible for at least three more murders in addition to the murder of Border Patrol Agent Brian Terry: Weapons linked to ATF’s controversial “Fast and Furious” operation have been tied to at least eight violent crimes in Mexico including three murders, four kidnappings and an attempted homicide. According to a letter from U.S. Assistant Attorney General Ronald Weich to Rep. Darrell Issa (R-CA) and Sen. Charles Grassley (R-IA), the...