Two days after Christmas a mass shooting terrorizes a small town. After killing two people and wounding many more the gunman is taken into custody. When police search for answers they uncover the worst family massacre in US history.
When a mother and her two daughters fail to show up for Christmas dinner, officers enter their home and discover all three have been shot to death. The search for their killer reveals an unthinkable family nightmare.
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.
Just before New Year's, a hockey mom is gunned down at her front door. Later that night, seven more bodies are found in another suburban home. Police discover a shocking connection between the two crimes as they track down the killer.
After a family is found massacred inside their Santa Claus, Georgia home, the hunt for their killer hinges on the eyewitness testimony of the three young surviving daughters.
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.
The holiday season screeches to a halt when six members of the Anderson family are discovered to have been gunned down in their home. Detectives work closely with family friends to track down the shocking murderer. Episode 102
On Christmas Eve in a quiet town, elderly couple Bob and Idella Young are brutally slain at home; a bloody glove found at the crime scene has the killer's DNA, but no one matches the sample.
New Year's in a tiny town, Joanna and Carl Dutcher ring in the year with their grandson. Days later, they are found violently killed. The hunt for the killer leads police to a sinister group that threatens the entire community.