Credit: In this week's episode of The Hunt, Dr. Page Stoutland of the Nuclear Threat Initiative discusses the security of nuclear facilities.

The Hunt: Are nuclear sites safe from terrorists?

Terrorism intelligence lapses, growing pains worry officials

FBI to help law enforcement agencies unlock iPhones

The Hunt: Questions and lessons after the Brussels attack

D.C. region boosts vigilance after Brussels terror attacks

FBI’s D.C. office finds itself at center of growing terror storm