I worked as an undercover FBI agent for 23 years. Here's what it was like infiltrating bike gangs, cartels, and neo-Nazi groups.

Scott Payne, a former FBI agent, spent most of his 23-year career as an undercover agent. Going undercover was voluntary and ...

Former FBI undercover agent says his cover was nearly blown twice. Here's how he survived.

Former FBI agent Scott Payne narrowly escaped death twice during undercover operations. Staying calm under pressure is key ...
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He weighed over 400 pounds as an FBI undercover agent — and it became his best disguise

Joaquin Garcia spent 24 years as an undercover agent for the FBI. During that time, his weight fluctuated by hundreds of pounds, topping out at about 500 pounds during one of his most dangerous ...