Chuck Wiki

ATF agents and the Police arrest Jack Burton in 1998

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) is a United States government organization within the Department of Justice. The Bureau holds responsibility for the investigation and prevention of federal offenses involving firearms, explosives, acts of arson and bombings, and illegal trafficking of alcohol and tobacco products.

The ATF feature in Chuck during a flashback in Chuck Versus the Cougars, when Sarah's father, Jack Burton (a known con man) is arrested for his own protection in 1998, just as Sarah herself is confronted by Director Graham.