Firearm or explosives background checks involving individuals on the terrorist watchlist
Allowed to proceed
Denied
Note: Data from 2004 begins in February. Data for 2011 and 2012 are incomplete because of an FBI issue with a computer programming change.
Source: Government Accountability Office analysis of FBI data | Graphic: Jan Diehm/The Guardian
Source: Government Accountability Office analysis of FBI data | Graphic: Jan Diehm/The Guardian