HLN HD After a Michigan State University grad student disappears and is presumed dead, a professor of geological sciences helps police get the dirt on her killer. 2026-09-29 When a man's wife kills herself 14 years after his college sweetheart commits suicide, police start to get suspicious. 2026-09-29 A woman gets shot in her driveway; she may have been the victim of a co-worker half her age that she had recently rejected. 2026-09-29 The murder of 53-year-old Paul Gruber is examined, and the evidence points to Darryl Robin Kuehl, who was later convicted of the crime. 2026-09-29 A man states that a robber shot and killed his wife while they were on the beach, but a song he downloaded makes investigators suspicious. 2026-09-29 Detectives discover new clues left by a stalker's letter to his victim. 2026-09-29 The body of an insurance assessor is found in a river in Tampa, Fla.; a unique murder weapon and blatant clues lead the police straight to her careless killer. 2026-09-29 When a high school athlete is killed in a hit-and-run accident, investigators hoped tiny paint chips and shards of plastic would lead them to the driver. 2026-09-29 A woman is abducted and a month later found dead, then a tip leads investigators in the right direction. 2026-09-29 How the bombs were made leads investigators in Colorado to find the perpetrator. 2026-09-29 DNA profiling reveals clues leading to a killer's identity 20 years later. 2026-09-29 A murder in Australia baffles police, until they find a device intended to save lives is the only witness to the man's death. 2026-09-30