In May 1988, Brenda DuPont's brutal murder in Opelousas, Louisiana, left detectives stumped. DNA evidence was gathered, but the case went cold. Nearly 30 years later, CODIS matched the DNA, leading to Joenell Rubin's 2016 conviction.

Landlord Bruce Blackwood vanished in 2006 after dispute with tenant Luis Perez over missing money. Though no body found, treated as homicide. In 2014, Perez convicted of Blackwood's murder, dismemberment, sentenced 25 years to life.

15-year-old Lori Nesson went missing after attending a party. Her nude body was found the next day in a ditch. Decades later, a news story about the case led to a viewer providing information that solved the murder.

A fire in January 2007 claims the life of WWII vet Bennie Angelo. A closer look at the crime scene during investigation reveals Bennie was dead before the fire, bumping an arson case up to homicide.

A 30-year-old Army mother disappears. Her family suspects foul play and searches for answers for 13 years. An eyewitness breaks the case revealing her husband who used an alias as the murderer after he initially misled investigators.

In 1986 Tacoma, two young girls are murdered months apart. Convinced a predator is on the loose, law enforcement pursues a 32-year investigation to identify and apprehend the killer.