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 serial rapist is on the loose in a Texas town. No one knew where he'd strike next, but the audacity of his attacks and the escalation of violence against his victims made finding him imperative.
A killer made great effort to obscure the shoe impressions left when he tracked blood on the floor, but he ended up creating new incriminating evidence...
Doctors don't know why a scientist is gravely ill. When tests reveal the cause, it's too late to save him.
A skeleton was discovered in the North Carolina marshlands. Investigators learned she'd been dead for months.
When a man's story of a killing contradicted physical evidence, investigators turned to forensic science.
A young woman attends evening church services... then disappears. When her abandoned car is found, the tank is empty and a gas can she kept in her trunk for emergencies is missing.
A security guard disappeared from his post without a trace his remains were found a year later in a remote camp site.
The victim was well liked and successful, which made the brutality of the crime even harder to understand.
Foul play is suspected when Fort Worth factory worker Glenda Furch disappears after completing her shift.
When a hit-and-run boating accident caused a death, police must search for one boat among 1200 others.
In 2004, Rebecca Barney and her soon-to-be ex-husband Fred were found shot to death in their Tulsa, Oklahoma, home, which had been set on fire.
In 1986, Gary Dale Larson was stabbed to death in his Edmond, Oklahoma home and then the killer sexually assaulted Larson's girlfriend Janet Haynes.
In 2008, the body of Colorado real estate developer Alan Helmick was found by his wife, Miriam, who then became the prime suspect.
When Kristine Fitzhugh failed to show up for her music class, her husband found her dead at the bottom of the stairs of their Palo Alto home. Further investigation reveals evidence of murder in the kitchen.
A man was killed in a car crash, but the evidence led investigators to believe it was not an accident.
A 13-year-old girl went missing from her Colorado home and the only evidence the kidnapper left behind was three fingerprints on a window screen.
Fifteen years later, DNA technology leads to justice for a murdered woman and her savagely beaten 4-year-old daughter.
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 six-year-old girl ran and hid when she saw her grandmother being beaten to death, but the man followed, beat and assaulted her. She said the assailant was her uncle, who was convicted.