The FBI is struggling to keep track of what appears to be a growing network of ISIS supporters who blend in until the time comes to attack.
CNN reports that then NYPD and other local law enforcement agencies are pitching in to search for and investigate ISIS supporters.
The most recent failure came when a known ISSI supporter who was under investigation by the FBI attacked a Prophet Mohammad cartoon contest in Garland, Texas.
FBI Director James Comey said the FBI keeps its eye on hundreds of suspects.
Some NYPD officers who have already been trained in surveillance will help keep track of suspects.
The goal is to add 450 officers to the department’s counterterrorism unit, NYPD Commissioner William Bratton said. LAPD also is following suit.
“It’s an extraordinarily difficult challenge task to find — that’s the first challenge — and then assess those who may be on a journey from talking to doing and to find and assess in an environment where increasingly, as the attorney general said, their communications are unavailable to us even with court orders,” Comey said.