Two armed men kidnap and attack a 16-year-old girl; a deer hunter suffers a terrible fall from a tree that leaves both his legs fractured.

A hired assassin is killed by the woman he was hired to murder; a boat carrying a couple and their four children crashes into a reef surrounded by sharks.

Survivors of the fatal United Airlines Flight 232 plane crash speak about their terrifying experiences; a woman manages to break free from her attackers.

A plane crashes in water, forcing its occupants to fight for their lives in the sea; a home invasion puts a woman's life on the line; a store clerk is abducted.

A human scalp links a man to an 18-year-old murder case and ultimately leads to his conviction; a teen has a penchant for torturing and murdering younger boys.

A woman's murder is solved 20 years after her death thanks to the assistance of her daughter; a policeman works a 63-year-old newspaper deliverywoman's murder.

Homicide detectives attempt to track down a serial killer who stalks and murders waitresses, and they realize a boy's toy may hold an important clue.

Saliva samples taken from letters written by the Zodiac Killer is used to re-evaluate the case of the serial killer who terrorized San Francisco in the 1960s.

Dennis Larson finally faces justice 25 years after killing his third wife for insurance money; detectives link a search volunteer to the death of a 15-year-old.

An undercover investigator links a widow to her husband's murder; a former state trooper is implicated in the 8-year-old murder of his estranged wife.

A detective dedicates 15 years to capturing a suspected murderer who murdered his wife, mutilated her body and attempted to disguise sexual abuse.

Atlanta investigators pursue a suspect wanted for murdering a police officer; a mother keeps a baby's skeleton hidden underneath the bed.

Officers track down the killer of a rape suspect; police must wait for DNA advancements to convict a man accused of killing a coworker.

Police hunt down a grisly killer who has murdered three women in three hotels in the Des Moines area; police guilt a killer into confessing his heinous crimes.

Police track down a serial killer and rapist by finding a dry cleaning tag inside an article of clothing left at the crime scene.

Following instinct helps police catch a fugitive rapist; a 6-year-old girl's brutal murder goes unsolved for nearly 30 years.