A History of Short Words

From the New York Times Crossword Puzzle

ATF

Thu, 19 Sep '24
Govt. agency whose initialism omits "Explosives"
Wed, 18 Sep '24
Govt. agency that investigates, among other things, arson
Wed, 7 Aug '24
Gun-regulating grp.
Thu, 1 Feb '24
Org. whose initials omit its "E" (for "Explosives")
Fri, 12 Jan '24
Arson-investigating org.
Thu, 4 Jan '24
Antitrafficking org.
Sat, 1 Jan '22
Anti-trafficking org.
Wed, 16 Jun '21
D.O.J. agency
Thu, 25 Mar '21
Division of the Justice Dept.