TV Guide Oxygen Sunday

A woman is found dead in an elevator and Barbara retraces the chain of evidence and she uncovers a domino effect of violence that leaves a trail of bodies.

Kelly Siegler finally talks about her most contentious case and what it took to get justice for the family of a murdered pregnant woman and her unborn baby.

After 20 years, the killer of an Idaho teenager is caught, and the man wrongly convicted of the crime sees a shocking turn of events.

After 20 years, the killer of an Idaho teenager is caught, and the man wrongly convicted of the crime sees a shocking turn of events.

Investigative reports, breaking news stories, profiles of leading newsmakers and other features explore current events and topics of special interest.

After a woman dies from an apparent fall in the shower, her two friends team up to get justice on her behalf.

After a woman dies from an apparent fall in the shower, her two friends team up to get justice on her behalf.

When a Wisconsin father disappears, his wife blames drugs, but close friends suspect that a violent confrontation is what ended a marriage filled with secrets.

A religious woman loses her husband to a tragedy, but a cloud of suspicion haunts her new marriage as investigators come up with a different conclusion.

After a home invasion occurs, it leads to suspicion about the victim's stepdaughter and a mystery man, but a shocking confession reveals an intimate betrayal.

When a taxi driver is shot dead on the job, the search for his killer reveals his wife's secret visits to a prison, a torrid affair and a possible conspiracy.

When a widower is murdered, police are suddenly left wondering what kind of secrets his marriage to his wife, who is much younger than him, might be hiding.

When an Air Force sergeant is shot dead in his garage, investigators soon uncover an elaborate conspiracy that was orchestrated by an unlikely mastermind.

Law enforcement officers attempt to unravel a mystery that involves a couple from Arizona, a romance that extends across the country and a deadly plan.

When body parts start turning up across New York, panic sets in over the possible return of a known serial killer and detectives try to connect the dots.

A mansion is the scene of a horrible murder after a wealthy businessman is shot to death; investigators access his digital history and discover the truth.

A waterside home becomes the scene of a double homicide after a couple is found murdered, a shocking video is unearthed.

When Iowa investigators respond to the scene of a local man's fatal shooting, his girlfriend claims it was self-defense, and as their relationship is examined.

A woman is found dead in an elevator and Barbara retraces the chain of evidence and she uncovers a domino effect of violence that leaves a trail of bodies.

The team examine the strange death of a pregnant mother whose skull was found in the mountains.

When Iowa investigators respond to the scene of a local man's fatal shooting, his girlfriend claims it was self-defense, and as their relationship is examined.

Using interview from friends and family members, law-enforcement officials and attorney finally understand why a woman would or try to commit murder.

When an aspiring young singer is found dead after being reported missing, investigators uncover a witness that reveals the lies that led to his murder.

When a man's dead body is discovered weeks after his murder, the police discover a desperate escape attempt and a motive rooted in fear and betrayal.

When a beloved son goes missing, the police try to navigate his last moments and a false lead which will expose a very cold-blooded scheme.

When a man is found dead at a secluded rest stop, Ohio police suspect foul play within his family, and the evidence reveals the work of a criminal mastermind.

Investigative reports, breaking news stories, profiles of leading newsmakers and other features explore current events and topics of special interest.

Investigative reports, breaking news stories, profiles of leading newsmakers and other features explore current events and topics of special interest.

Investigative reports, breaking news stories, profiles of leading newsmakers and other features explore current events and topics of special interest.