John Guandolo is a disgraced former FBI agent who has remade himself into an anti-Islam activist who peddles conspiracy theories and offers training to law enforcement agencies around the country on "how to locate and map out jihadi organizations, locate jihadis, and dismantle the network at the local and state level."
Guandolo's expertise is so impressive that according to his Twitter feed, he recently managed to locate a couple of "terrorists" who are working for the TSA based on nothing more than the fact that they appear to be Muslim: