The November 2009 shooting at Fort Hood, TX, renewed interest in terrorist watchlist screening and Brady background checks for firearms through the National Instant Criminal Background Check System (NICS). Pursuant to the Brady Handgun Violence Prevention Act (P.L. 103-159), in November 1998 the Federal Bureau of Investigation (FBI) activated NICS for the purposes of determining an individual's firearms transfer and possession eligibility whenever a private person seeks to acquire a firearm from a federally licensed gun dealer. Prior to February 2004, however, the FBI did not conduct...