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Mark of a Serial Killer

Wall of Victims

Also available on the nbc app

Detective Michael Glaser recalls the establishment of a task force based out of the offices of Lafourche Parish, where the displayed photos of the victims of a serial killer provided a constant reminder of their inability to track him down ... and a constant inspiration to keep trying.

Tags: Mark of a Serial Killer, True Crime, oxygen, serial killers
S3 E122 minTV-14Web ExclusiveReality and Game ShowPrimetime
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