Ken Croke began his career in 1990 in Los Angeles, where he infiltrated street gangs and busted drug and gun rings. He also served in Washington D.C. before moving to the Boston Field Division in 2000. In 2015, he was promoted to Special Agent in Charge of the Denver field division, where he oversaw all ATF operations in Colorado, Utah, Wyoming and Montana. In 2016, he was promoted to Deputy Assistant Director of Field Operations for the bureau’s eastern region, putting him in charge of 10 ATF field offices on the East Coast. He finished his career as the ATF’s Assistant Director. Over the course of his career, he has taken part in 1,000-plus undercover operations, including gang, drug and firearms trafficking cases. Today he is a security consultant for global corporations.