Detectives in Houston, Texas search for a killer with an everyday job and a signature method. Though he evades capture for years, it's an in-the-family atrocity that brings him to justice.
Forensic pathologist Dr. Richard Shepherd investigates the cold-case murder of Linda Curry, whose husband poisoned her with nicotine - a truth that came to light decades after her death.
In 1999, hospital worker Jennifer Watkins is sexually assaulted and murdered. 20 years later, revolutionary DNA testing helps to solve the cold case.
DNA science finally identifies both killer and victim from a murder that took place back in Florida in 1991.
In 1989, 14-year-old Stephanie Isaacson's body is found in the Las Vegas desert. The case goes cold for decades until a nonprofit organization provides funding for the last DNA sample recovered to be used in genealogy research. Will it succeed?
When a woman is found dead in her home, detectives are left with more questions than answers.
This episode follows an extensive investigation and how the revolutionary science of familial DNA revealed a perpetrator's identity.
Police are stumped when a toddler's body is found in Escatawpa River, leading to a decades-long mystery.
"Scottsdale Spree Shooting" follows a fast-paced police and forensics investigation into a killing spree that claimed six innocent victims.
In 2012, Toni Henthorn is hiking in the Rocky Mountains with her husband, Harold, to celebrate their twelfth wedding anniversary. Tragedy strikes when she falls from a 160-foot cliff. Is it a terrible accident or something more sinister?
The horrific case of mother of three Nada Huranieh, who is found dead at home by her 14-year-old daughter.
The tragic case of aspiring model Rhonda Casto, who falls to her death while on a hike with her boyfriend.
In 2012, Toni Henthorn is hiking in the Rocky Mountains with her husband, Harold, to celebrate their twelfth wedding anniversary. Tragedy strikes when she falls from a 160-foot cliff. Is it a terrible accident or something more sinister?
The horrifying case of Mary Gough, who is found dead at the foot of a staircase at the home she shares with her husband, Colin Whelan.
The horrific case of 30-year-old Natalie Harker, who is found dead in a tent following a 9-9-9 call from her ex-boyfriend, Andrew Pearson.
The mysterious case of Steven Clayton, who is found dead in the luxury mansion he shares with his wife.
The shocking case of Carol Hickok, who is found dead at the foot of a staircase outside her home by her 11-year-old stepson after she fails to wake him for school.
The horrific case of 30-year-old Natalie Harker, who is found dead in a tent following a 9-9-9 call from her ex-boyfriend, Andrew Pearson.
The mysterious case of Steven Clayton, who is found dead in the luxury mansion he shares with his wife.
The shocking case of Carol Hickok, who is found dead at the foot of a staircase outside her home by her 11-year-old stepson after she fails to wake him for school.