Green’s Dictionary of Slang

1. (US police) a list of stolen property and of crimes under investigation.

1949		Monteleone Criminal Sl. (rev. edn).
1963		Bridgeport Post (CT) 22 Oct. 49/6: Patrolman Richard Crooks [...] found the auto was one listed on the police ‘hot sheet’ — a record of stolen cars.
1981		E. Bunker Little Boy Blue (1995) 103: The car [...] won’t be on the hot sheet until tomorrow.
1990		(con. early 1950s) J. Ellroy L.A. Confidential 112: There are no ’48 to ’50 purple Mercurys on the hot sheet, so it is very doubtful that we’re dealing with a stolen car.
1992		S.L. Hills Tragic Magic 86: It would be at least six or seven o’clock at night before this TV went on the hot sheet.
2000		G. Pelecanos Shame the Devil 15: He had called in the plate numbers of the Ford, and now he was waiting to see if the car was on the hot sheet.
2006		G. Pelecanos Night Gardener 132: They don’t have no Faberge eggs on no hot sheet.

2. (US black) the list of members of opposite gangs that are considered serious enemies.

2001

Source Aug. 147: He was affiliated with the 20s; but he wasn’t on our Insane hot sheet.