TV Guide Oxygen Sunday

Friends of accused murderer Robert Durst discuss his whereabouts over the past 30 years and his arrest in New Orleans.

The original jurors of the Robert Durst trial, who found him not guilty of murder, examine the possibility of being misled after he professed to the killings.

A father has second doubts regarding the cause of her daughter's death, which is said to be a suicide fueled by a combination of alcohol and drugs.

A father has second doubts regarding the cause of her daughter's death, which is said to be a suicide fueled by a combination of alcohol and drugs.

A father turned negotiator struggles to find a way to pay the price for his family's freedom after his wife, son and a cousin are kidnapped by terrorists.

Dennis Murphy conducts an interview with Michelle Hadley, who was accused of attempted rape in a case involving her former fiancé and his wife.

When the remains of a 32-year-old woman are found miles from her home, officers launch an investigation to uncover the culprit behind her murder.

Tiffanie Adams was eight months pregnant when she suddenly disappeared; to solve the mystery, police must expose toxic relationships and deadly secrets.

When young mother Sara Summer vanishes from a small Tennessee town, the investigation into her life exposes a world of romance, lies and a fatal betrayal.

A newly single mother of two vanishes after going on a date with an old high school friend; investigators race to uncover the true identity of the mystery man.

A bomb rocks Chicago killing Mark Toney, investigators dig beneath the rubble to expose a violent, seductive con game and a shockingly deceitful relationship.

A young mother is shot dead outside her home, and investigators uncover a toxic workplace, a twisted obsession and a killer relationship.

A beloved middle school art teacher is found dead in her home; as detectives dig into her marriage, they uncover a world of jealousy, sex and liaisons.

Katelyn Markham vanishes weeks before college graduation; the investigation unfolds over 13 years, uncovering lies, rage and a betrayal that hits close to home.

Elana Fric, a respected doctor and devoted mother, vanishes into the night; as detectives delve into Fric's personal life, dark secrets rise to the surface.

A father disappears from the Cincinnati suburbs, setting off a desperate search that exposes small-town secrets, rivalries and past threats.

A devoted wife and mother is shot to death in a library parking lot; as detectives search for her killer, they discover a twisted story of adultery.

After South Carolina authorities locate a burned and abandoned vehicle, they are led to a brutal crime scene at a local church leader's home.

When 25-year-old Keosha Gilmore is shot to death in a car while returning from a date, claims of a mysterious hooded shooter rock this quiet Boston Street.

When a man goes missing from his hometown of Barnesville, Georgia, authorities try to determine if the man left by his own free will or if someone murdered him.

After South Carolina authorities locate a burned and abandoned vehicle, they are led to a brutal crime scene at a local church leader's home.

When 25-year-old Keosha Gilmore is shot to death in a car while returning from a date, claims of a mysterious hooded shooter rock this quiet Boston Street.

Detectives attempt to piece together the final days of a young man who was shot to death inside his locked home by questioning his friends and lovers.

Investigators stumble upon human remains in their search for a missing handyman in Oregon, and they must unearth clues from the horrific crime scene.

Detectives discover a dismembered torso in a barn, and when they realize the man who owns the barn is missing, they begin to search for his wife.

A woman reports the suicide of her husband, but when detectives suspect the man may have been murdered, they exhume the body of the woman's first husband.

When Nancy Phister, an A-list socialite from glamourous Aspen, was murdered, the search began to see which of her friends and enemies did the deed.

When Nancy Phister, an A-list socialite from glamourous Aspen, was murdered, the search began to see which of her friends and enemies did the deed.

When a woman finds her husband of five months dead on the bedroom floor with no clue as to what happened, she soon suspects he was poisoned.