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In 1981, police are shocked by the violent murder of a 35-year-old woman inside her home in an affluent town.

The body of a young woman is discovered the day after Valentine's Day in 1991.

When two children are murdered in 1986 in Tacoma, Wash., panic spreads throughout the community.

The body of a young woman is discovered the day after Valentine's Day in 1991.

When two children are murdered in 1986 in Tacoma, Wash., panic spreads throughout the community.

Paid programming.

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Tired of bloating or gut issues that won't go away?; discovering the root cause-and how Emma can help eliminate methane-producing archaea, reset digestion and restore balance naturally.

Paid programming.

Police suspect a murder-for-hire plot when a realtor is attacked and left for dead at a home showing and begin investigating his family and business partners.

Through rarely-seen interviews and footage, a new look at the Manson Family murders that gripped the nation during the summer of 1969.

A man dies in a shooting incident after tempers flare in a confrontation in Montana's Glacier National Park.

G.I. Guinea Pig; Bank Tunnel; Murder in the Park; Noreen Renier; Unknown Dad.

Maloney's Mickey; Picture Kristen Gone; Coma Comeback; Update: Foster Son; Police Woman Savior; Mystery Cowboy.

Miami Vice; Zel's Odyssey; Missing Rock Star; Image of Guadalupe; Update: Viet Pilot's Daughter; Drunk Driver.

Russian Roulette; Anthrax; Friendly Ghost; Update: Vanished in the Heartland; Scare Tactics.

Fugitive R.N.; Witness for the Prosecution; Doris Duke; Update: NY State Serial Rapist; Gone Fishing; Miracle Child.

A man convicted of murdering a woman in her upscale Austin, Texas, home tells his story for the first time.

A woman accused of attempting to hire a hit man to kill her husband.

The investigation into the death of a Spokane, Wash., businessman exposes a web of malevolence extending from the Pacific Northwest to a North Dakota oil field.

A Jacksonville, Fla., firefighter discovers a disturbingly violent scene in his darkened bedroom on a Halloween weekend.

Operation Smile: transforming lives and bringing smiles to children around the world.

Paid programming.