The discovery of a teenager's car abandoned on a New Jersey bridge turns into a homicide investigation. Police uncover a plot involving money, close friends and betrayal. Keith Morrison reports.

A pilot flees after a deadly plane crash, and becomes a fugitive living a double life for decades. He tells his story for the first time to Keith Morrison.

A Connecticut bank executive is targeted by criminals who force him to rob his own bank.

A soon-to-be bride is caught in the middle of a twisted murder plot that has detectives questioning if she played a role in it.

A mother of two mysteriously vanishes from her parents' Michigan home while going to check the mailbox, leaving her phone and identification behind; police declare her dead without discovering a body.

When a creative entrepreneur abruptly leaves his business for an international surfing adventure, his family’s worry turns into suspicion. Keith Morrison reports.

Two young girls in Washington are snatched in broad daylight. The case goes unsolved until a new detective tries to solve the mystery that haunted her childhood. Keith Morrison reports

When a young teacher in Pennsylvania is murdered, her friends wonder if the killer will be caught. Following years without an arrest, investigators discover a new tool that may finally help unlock the murderer's identity.

Andrea Canning reports on a young, beloved woman who is found dead near a soccer field in Indiana. Detectives try to piece together a puzzle that leads them to the most unexpected of suspects.

The sister of a man who died after robbing a bank when a bomb that was placed around his neck detonated talks about the case.

The parents of missing South Carolina woman Heather Elvis, Debbi and Terry Elvis, open up to NBC News’ Andrea Canning about the search for their daughter.

When detectives track down the killer of a Las Vegas cocktail waitress and mother, it becomes clear that the investigation has just begun.

An in-depth look at the history of allegations against singer R. Kelly, including interviews with several women who accuse Kelly of misconduct.

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

When Ohio mother Heather Bogle goes missing, a detective identifies multiple suspects, until he himself comes under scrutiny for his investigation. Josh Mankiewicz reports

A 59-year-old father is found dead in his home, and family members assume it is related to his ongoing health issues. But when the coroner reveals he didn't die of natural causes, police begin an investigation questioning some of his family members.

When a college student is found dead after a party, his mother is determined to try to find out what happened. Dennis Murphy reports on the unexpected twist that no one saw coming.

The homicide of private first class soldier and young mother Karlyn Ramirez; a glimpse into the FBI's crime lab and an in-depth look at how multiple agencies uncovered a plot that spanned several states and prompted suspicions of espionage.

Looking back at O.J. Simpson's infamous Bronco car chase and subsequent standoff with the LAPD SWAT team, 25 years after the murders of Nicole Brown Simpson and Ron Goldman.

When a young woman fails to show up to work, her mother rushes to try to find her. What she discovers begins an investigation that leads to a suspect no one imagined. Keith Morrison reports.

Two young women are shot and left for dead on a beach in Texas. After one miraculously survives, she is determined to find out who the attacker is. When a man is eventually convicted, the long road to justice seems to be complete.

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A Kentucky man is convicted of murdering his co-worker; the mystery is considered solved until a stunning disclosure, years later, turns the closed case upside down.

The mysterious death of a 23-year-old mother in New Mexico goes unsolved, and her family searches for answers. Keith Morrison reports.

When a hard-charging boss in Arizona is shot to death, police uncover a complex web of bruised egos in his professional life and a trail of broken hearts in his personal life.