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Mark of a Serial Killer

S3 E610/17/21

The Interstate Killer
Also available on the nbc app

A killer crisscrosses the Midwest leaving a string of victims along the interstate. When investigators are hot on the highway killer’s trail, the murderer suddenly changes his mark.

Available until 01/01/23
Tags: Mark of a Serial Killer, True Crime, oxygen, serial killers
S3 E644 minTV-14Full EpisodeReality and Game ShowPrimetime
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