Mark of a Serial Killer
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Witness Claims She Saw ‘Grim Sleeper’ Serial Killer
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Witness Claims She Saw ‘Grim Sleeper’ Serial Killer

A woman came forward to say she saw the killer shoot a victim and cover her up with a mattress. She had a name, too. Was she on the right track?

Season 3 Episode 7 - Videos

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Witness Claims She Saw ‘Grim Sleeper’ Serial Killer

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