“One Wet and Wild Knight [Part 1”
Checkmate is sent in to investigate the person who is blackmailing California farmers into selling their water rights.
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Checkmate #21 (1988) is issue #21 of DC's Checkmate (1988–1991), with a cover date of October 1989. Written by Paul Kupperberg and drawn by Steve Erwin.
Credits, characters and story details from the Grand Comics Database, CC BY-SA 4.0.