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Nightmare Fuel: Fool Moon
The loup garou's rampage through the special investigation department. Especially chilling is the description of the thing going through the cell block, slaughtering prisoners in their cells while the prisoners further up the line are unable to flee and can only scream as they hear it getting closer.
In particular, the graphic and chilling description of one of the police officers dying because he was paralyzed and couldn't breathe. This was a result of the loup-garou having torn his spine out.