Allison Guerreiro, a security expert who helped expose a major scandal within the FBI, was found dead in her home in Florida under circumstances that remain unclear

Allison Guerreiro, a security expert who helped expose a major scandal within the FBI, was found dead in her home in Florida under circumstances that remain unclear

In 2017, Guerreiro suspected her colleague, Charles McGonigal, who headed FBI counterintelligence in New York, of engaging in suspicious activities. She reported this information to the authorities. The investigation revealed that the senior agent was...