ATF

"See, I've been reading e-mails all night. NYPD, ATF,, they've all been warned off."

- Micro to Frank Castle

The Bureau of Alcohol, Tobacco, Firearms and Explosives is a federal law enforcement organization within the. Its responsibilities include the investigation and prevention of federal offenses involving the unlawful use, manufacture, and possession of firearms and explosives; acts of arson and bombings; and illegal trafficking and tax evasion of alcohol and tobacco products.

History
Arranging a tactial operation at the Red Hook Pier in order to arrest members of the Greek Mob, United States Department of Homeland Security contacted with ATF, New York City Police Department and. They warned them about operation and asked to not interfere.

ATF Field Office in New York City became one of targets for Lewis Wilson who accepted extremist oppostition against United States Government. Wilson managed to quietly plant explosive charge at the building. While ATF members celebrating birthday of one of their colleagues, Wilson's bomb detonated and killed them.