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Photo Credit: Morrison Co Jail; Jupiter PD; Alameda Co DA; Teller Co Sheriff's Office

Holiday Horror: The Most Gruesome Thanksgiving Murders Exposed See how killers turned turkey day into a nightmare.

Thanksgiving usually brings families together to bond over turkey dinner, but in some cases the holiday has resulted in horror.

At a time when Americans come together to share a hearty meal and give thanks, family feuds have erupted in gunfire and strangers have been slaughtered.

The most recent case to shock America occurred when Kelsey Berreth, 29, mom to a now-1-year-old daughter, disappeared from a grocery store in Woodland Park, Colorado, on Thanksgiving in 2018.

Her fiancé and baby daddy, Patrick Frazee, was accused of killing Berreth that day and burning her body, which has never been found.

Frazee was convicted of first-degree murder almost a year later, on November 18, 2019, just days before Thanksgiving.

Frazee was sentenced to life in prison without the possibility of parole, plus 156 years for the killing.

Frazee’s mistress, Krystal Lee Kenney, testified in the first week of the trial that she helped him clean up a bloody mess at Berreth’s condo.

During her testimony, she claimed he told her he killed Berreth with a bat.

Unfortunately, the shocking crime isn’t the only turkey day nightmare to have taken place over the years.

Ayalis Clay Oliver allegedly killed his son Keith Oliver over the younger man’s refusal to help out around the house on Thanksgiving in 2009.

And Byron David Smith lay in wait on Thanksgiving 2012 and shot two teens to death in his basement.

Former youth pastor Christopher Gattis pleaded guilty in 2018 to three counts of first-degree murder for killing his wife, stepdaughter and her boyfriend while they all played a board game during Thanksgiving 2017.

In 2018, Nicholas Holden was sentenced to 16 years in prison for the second degree murder of his girlfriend Tina Stewart after they had celebrated Thanksgiving together in 2017.

Southern California investigators recently solved the murder of 11-year-old Terri Lynn Hollis, nearly five decades after her Thanksgiving Day kidnapping in 1972. Genetic genealogy identified Jake Edward Brown, who died in 2003, as the man responsible for the girl’s disappearance and death.

Andre J. White of Detroit has pled not guilty for charges relating to a fatal shooting of 3-year-old Malachi Barnes on Thanksgiving Day 2018.

Scroll though RadarOnline.com’s gallery for more shocking Thanksgiving crimes.