Tammy Mattina

The holidays are meant to be a time of festive cheer when family and friends come together to celebrate the season. But when family members are forced to occupy the same space for too long, the joy and merriment can often morph into anger and resentment.

Joe Kenda's investigation into the brutal rape and murder of 24 year old wife and mother Mary Lynn Vialpando goes cold until DNA technology leads cold-case detectives to the most unlikely of killers 30 years later.

The documentary explores what it’s like to grow up the child of one of the most prolific serial killers in American history, Gary Ridgway, the infamous Green River Killer. This special unpacks Ridgway’s horrific crimes, the double life he led, the twenty-year police investigation that brought him down, and the long-lasting effects of a father’s unspeakable sins on his son and family.