Cold Case: Manny Grossman is Leading an Historic Crowdsourced Investigation Into Son of Sam

Manny Grossman is a Crowdsource the Truth viewer who was inspired to create his own YouTube channel and begin his own investigation.

If you're like me, you have heard of the Son of Sam but don't know much about it. What Manny and his investigation have revealed may shock you even if you lived through the Son of Sam ordeal and think you know what happened.

Subscribe to Manny's YouTube channel and join the investigation – https://www.youtube.com/channel/UC9N45Bt5x901QP5Q47rFy-A

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