Unusual Suspects

In the dark of night, a Pennsylvania family are brutally murdered in their home. Only their 20 year-old daughter survives. Investigators wonder, who would kill this seemingly perfect family? The answer will shock their community for years to come.

In 1994, 20 year-old Missy Grubaugh is killed in her apartment. Police focus on a list of suspects -- a thieving former roommate, a threatening coworker, a sex offender boyfriend. In the end, a late-night call to the victim brings the case to a close.

In 1985, the homicide of three Arlington, TX teens shocks the community. Investigators focus on an ex-boyfriend, teen satanists, and a drug addict with a grudge, but a shaky alibi and forensic evidence lead to a killer with close ties to the victims.

In 2002, a Brunswick, NY, couple are found murdered in their apartment. Girlfriend Arica is an innocent bystander, but boyfriend Sam is a drug dealer with dangerous enemies. In the end, a bloody print at the scene leads to a killer who defies belief.

In 1990, San Diego investigators find themselves on the trail of a serial killer.

In 1997, Sarasota, Florida, couple Henry Caneva and Janet Scott are attacked in their home. Henry doesn’t survive. Investigators work down a list of suspects, but it will take an unrelated domestic disturbance call to bring the case to a close.

A man is shot by burglars; three years later evidence leads police to the culprits.

Summer of 1992, 18 year-old Angel Ormston leaves to run errands, but never comes home. Did she run away, or was she made to disappear? Five months later, a gruesome discovery brings the case to a twisted and tragic conclusion.

Between 1993 and 1997, three women are murdered in three Des Moines, Iowa, hotels. Hampered by the sheer volume of suspects and the infancy of forensic testing, it takes years of dogged investigation to bring a sadistic killer to justice.

When a hardworking waitress ingests a lethal dose of poison, a nationwide panic ensues. Everyone is a suspect, until one of the most bizarre sting operations in Florida history leads detectives to the implausible poisoner.

Detectives theorize that a gun advocate knew her attacker when she is found murdered.

A man is shot to death; years later a cold case and a guilty conscience bring the killer to justice.

In 1996, two women are murdered in the same Texas apartment complex. Authorities follow every lead but the case goes cold. Three years later, DNA evidence, and a seemingly unrelated crime lead authorities to the sadistic "Bathtub Killer."