The stories behind terrifying 911 calls are detailed in this true-crime series, beginning with a young father's call that he accidentally shot himself while working on a farm. While he's on the phone, however, a second shot is heard, revealing that the shooting was no accident. Written by Rocket

When a young mother is shot dead in front of her son, horrified witnesses call 911 and describe the shooter as a slender man who disappeared into nearby trees. Though clues are scarce, investigators finally uncover the killer's shocking identity.

When a young mother is shot dead in front of her son, horrified witnesses call 911 and describe the shooter as a slender man who disappeared into nearby trees. Though clues are scarce, investigators finally uncover the killer's shocking identity.

In a harrowing 911 call, a woman tries to give police clues: there's a gun, she's near a river, and her kids are at risk. After police find her body in the river, they learn a stomach-churning truth about a killer who's been a predator for years.

Title The Dark Horse: A woman (Patricia Burney) returns home to find her husband unconscious and bleeding on the floor of their horse barn. 911 operators coach her through CPR, but it's too late, and police later use the call itself to find clues that reveal a plot to kill him.

A former cop calls 911, saying he's been shot multiple times and his girlfriend has been abducted. Investigators race to save the caller - and find the missing woman and the gunman, who might be a drug cartel hit man.

When a husband finds his wife with a cord around her neck, he calls 911, pleading for help. A missing phone, surprising crime scene clues, and a mystery man all complicate this story of love and loss.