Dateline 24/7 schedule

A college student is found murdered in a residential neighborhood; as police search for the truth, they are stunned to learn that one of their own might be involved.

More than two decades after a woman is murdered in what appears to be a burglary gone wrong, a detective finds information that unlocks the mystery of what actually happened.

The investigation into the disappearance of a Marine's 19-year-old wife reveals a secret love triangle and multiple suspects.

A couple's anniversary celebration ends in murder during what appears to have been a home invasion, but investigators believe the suspect might be connected to the victim.

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.

A teenager is convicted of encouraging her boyfriend to kill himself; exclusive interviews with those on both sides of the case.

Four years after a 28-year-old dies after hosting a New Year's Eve party, a jury must decide if it was suicide or murder.

A Nebraska family's parents are murdered following the clan's Easter celebration.

It was called "the trial of the century" and, decades after the polarizing case, questions remain; hear answers and insights through interviews done over the years, rare footage and revealing conversations with key players who offer new details.

An intruder breaks into a lawyer's home, murders his wife and blinds him; in a search for the truth, the lawyer questions his troubled son as a possible suspect.

A woman is murdered, and her son is left for dead; the woman's upstairs neighbor suspects a stalker is to blame.

A man with a surprising motive shoots a father in broad daylight.

Investigators find an unlikely suspect in a woman's death; actor Ricky Gervais talks about his life, fame and hosting the Golden Globe Awards.

A look at the growing homeless epidemic in America, including a tour of Skid Row, the nation's epicenter of homelessness; residents of the San Fernando Valley and Venice discuss the influx of homeless people into their neighborhoods.

The discovery of a 19-year-old's car abandoned on a bridge in New Jersey turns into a missing person case that evolves into a months-long homicide investigation; police discover a plot involving money, close friends and a fatal betrayal.

When a mother is murdered in a home invasion the day before her best friend is shot outside the place they both worked, investigators suspect the crimes are linked.

Authorities work to establish why a loving mother was brutally stabbed to death in her home.

A former marine who once was the hero for a woman in an abusive marriage may have let his desire to help go too far.

Investigators are suspicious when a wealthy former radio DJ mysteriously disappears from his yacht in the Pacific Ocean.

A man disappears after a duck hunting trip in Florida on his sixth wedding anniversary and is later found to have been murdered.

After an apparent home invasion in Minnesota leaves Heidi Firkus dead and her husband, Nick, hospitalized, detectives learn the young couple was facing financial troubles.