Books
Killing the Boogeyman
Richard Chizmar
October 6, 2026

Serial killer Joshua Gallagher disappears from prison, leaving a hangman puzzle behind. This concludes Chizmar’s Boogeyman trilogy, following Chasing the Boogeyman and Becoming the Boogeyman.
Date source checked 2026-10-05.
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Sources
Format and description checked 2026-10-05.
Artwork: Cover courtesy of Gallery Books / Simon & Schuster.