Medical Detectives

The murder of a teacher's aide leaves a big hole in her small community. A scientific breakthrough leads to a shocking end to a tragic case. S16, Ep5

A single mum looking for love vanishes without a trace. Foul play is confirmed when a pickup truck toolbox opens to reveal her body stuffed inside. S16, Ep7

A woman sets out on her bike and never returns. Her body is found a few miles from her house, with a gunshot wound to the head. S16, Ep4

In 1982, Navy lieutenant Lee Hartley is murdered while deployed out to sea. Investigators discover Lee had his fair share of enemies aboard the ship. S16, Ep8

A building manager finds the lifeless body of a woman in her apartment. The case goes cold, then a new forensic tool examines the old evidence. S16, Ep6

A mortally wounded woman calls 911. Police suspect her husband, but he claims to have an airtight alibi. The forensic science of ballistics is brought to bear. S16, Ep9

A murder victim's final moments are caught on tape. The crime scene looks like a robbery-murder. Evidence points to a jilted ex, but will his alibi check out? S16, Ep3

Gail Fulton is shot execution-style in the quiet suburbs of Michigan. Surveillance reveals it was a trio of killers. Eventually, detectives get a break. S16, Ep10

In 1990, three sex workers are murdered. A serial killer was on the loose and detectives had few clues. Over 20 years later there's a break in the case. S16, Ep11

A house fire kills the only doctor in a small town.

A sex offender and murderer attacks in a terrifying rage. This predator evades capture for years, but leaves a critical piece of evidence - his palm print. S16, Ep14

When a hearing impaired 77-year-old on a road trip is attacked by a thief and shot to death, investigators are determined to bring the killer to justice. S16, Ep13

Bill Sparkman is found hanging from a tree with the letters 'FED' scrawled on his chest. With little evidence, investigators turn to these letters for answers. S16, Ep2