Brewer's: Crimp of Death
(A). A thief-catcher. A crimp is a decoy, especially of soldiers and sailors. (See above.)
Here lie three crimps of death, knocked down by Fate, Of justice the staunch blood-hounds, too, so keen.
Peter Pindar: Epitaph on Townsend, Macmanus, and Jealous.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894