A History of Short Words

From the New York Times Crossword Puzzle

ATF

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.