Police investigate whether a woman committed suicide or was murdered by her husband; the final report on the case has a stunning conclusion.
An 18-year-old woman begins a romance with a man she met in an online chat room; police investigate when the romance ends in murder.
Swimming coaches are banned by USA Swimming for molesting teenagers they coached; a 911 dispatcher walks a husband through delivering his baby.
The latest on the the murder of 7-year-old Somer Thompson, including an interview with a former suspect.
Sixteen-year-old Skylar Neese disappeared after she snuck out of her West Virginia home in 2012. Investigators later learned that two of her friends had stabbed her to death.
3-year-old Riley Fox vanishes, her father is implicated. But is he really behind this crime or is he a victim of politics and a criminal investigation system out for blood?
Watch 20/20 Season 32, Episode 40: Unfriended online on FlixGems. Sixteen-year-old Skylar Neese disappeared after she snuck out of her West Virginia home in 2012. Investigators later learned that two of her friends had stabbed her to death.