Cold Case Killers (2021 - 2024)

In a nine-year investigation, detectives unpick the disappearance of a 17-year-old-girl.

Soon after the corpses of two teens were found, a decades-spanning investigation began.

Detectives encounter a tough case when a mother finds her son's dead body at his home.

After a stranger stabs a man to death, authorities spend years piecing together the case.