Mark of a Serial KillerA Houston killer taunts the media and authorities as he uses homemade ligatures to murder his victims.
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Now PlayingMark of a Serial KillerA Houston killer taunts the media and authorities as he uses homemade ligatures to murder his victims.0Mark of a Serial KillerEl Paso investigators race to track down a ruthless killer who is burying his victims in shallow desert graves, dead or alive.