A deranged shooter attacks a family Thanksgiving dinner, leaving four dead and even more wounded. This horrific crime sets off a massive holiday-season manhunt to catch the killer - before they can strike again.

For most, the winter holidays mean bringing family and friends together to eat, drink, and create joyous memories to last a lifetime; but, for others, it's a time where emotions run high, anger and animosity set in and can spark an explosive combination of simmering resentments and volatile secrets. Sometimes, this emotional powder keg makes for some truly horrific holiday crime stories that viewers are sure to never forget. Written by bob gillan

The Ortega family's annual Christmas Eve party is destroyed when a man dressed as Santa, wielding handguns and a flame-thrower opens fire. Detectives follow a terrifying trail that leads to a sociopath.

A holiday is ruined when a couple is gunned down in their bed during what looks like a brutal home invasion. Police soon discover the true motive for the double homicide - a shocking tale of deception and betrayal.