The Mall of America, one of the nation's largest shopping and entertainment venues, is also home to its own counterterrorism unit. Dawn Villela/AP hide caption
Under Suspicion
A program aimed at finding terrorism threats is entangling ordinary citizens with police and FBI.The Mall of America in Bloomington, Minn., has implemented a security program aimed at aiding the government identify suspected terrorists. Jim Mone/AP hide caption
The Mall of America in Bloomington, Minn., has implemented a security program aimed at aiding the government identify suspected terrorists. Jim Mone/AP hide caption
At a fusion center in Las Vegas workers like Daniel Burns, a program coordinator, analyze suspicious activity reports. Monica Lam/Center for Investigative Reporting hide caption