When court clerk Peter Porco doesn't report to his work in November 2004, a courts officer is ordered to the Porcos' family home in Bethlehem, NY.
James Kenneth Elmen Jr. abducted Julie Estes, then 21, from the Southside convenience store where she worked in 1985.
A young woman is found dead in her apartment. With little evidence at the scene, the case turns cold.
Responding to a 2008 garage fire, Illinois emergency response discovered a man crushed beneath a truck.
A woman was found dead on the bedroom floor of her apartment. The crime scene yielded little of value and investigators wondered if they would find enough evidence to make a case.
A lifelong resident of the tiny town of Lefroy, Tasmania was murdered outside his own home. Robbery appeared to be the motive, but with no suspects, the investigation came to a halt.
Digital enhancement of security camera video shows that what appears to be a casual encounter is actually a forced abduction, leading to murder.
A murder trail turned cold, until police got a call from a woman whose husband, Gerald Powers, had a criminal past and a fondness for Chevy Berettas.
A millionaire and his family were executed in their own home. For three years, the murders went unsolved. Finally, a box of ammunition and some fluorescent fibers revealed the ultimate betrayal.
When a hit-and-run boating accident caused a death, police must search for one boat among 1200 others.
A wealthy man and his wife were attacked by three masked men outside their luxurious Louisiana home. He was shot dead and she was forced to open their hidden safe.
Police are able to create a composite sketch of a man burnt beyond recognition. But tracking the killer is more challenging.
The crime scene was especially violent: A couple had been shot to death. Was their teenage daughter complicit?
In 1993, young mother Tammy Tatum was sexually assaulted and murdered in her Longmont, Colorado apartment.
The body of a young girl was discovered on isolated farmland near Delano, California. She had no ID, but police found mailbox keys in the pocket of her jeans.
An aspiring model turned up dead and the prime suspect was her boyfriend. When he was eventually cleared, investigators had to dig deeper to find the perpetrator.
A Michigan State University grad student disappeared and was presumed dead. With the help of a professor of geological sciences, police hoped to get the "dirt" on her killer.
In 2001, Ginger Hayes and her infant son Nicholas were abducted during a carjacking and the crime had been reported by a witness within minutes of occurrence.
A surgeon is stabbed to death, and the most likely suspect is seen in a restaurant at the time of the murder.
Rachael Mullenix, 19, was convicted of stabbing her mother and then packing her bloodied corpse in a box.