Nightmare Next Door

Police suspect foul play after high school sophomore Kiplyn Davis fails to return home from school.

Hometown paperboy David Reed seems to vanish into thin air, but an unexpected clue from the past helps solve the case two decades later.

A girl is strangled with the cord from her laptop.

Random shootings bring life to a halt in East Point, Ga., as police work around the clock to stop the mysterious gunman.

A single mother trying to settle in upstate New York vanishes without a trace.

Police receive various tips after Kathryn Hauser is murdered in her home; a pair of shoe prints help them track down the criminal.

When a man is found murdered in his apartment and the fiancé is missing, police become desperate.

In Stockton, Calif., detectives struggle to catch Jessyca Arro's killer.

The murder of Dennis and Norma Woodruff in their rural Texas home sends shock waves through the town.

A community is rocked when a beloved wife and mother is murdered in the woods behind her home.

Chris Mader is shot to death on Thanksgiving eve; years later investigators are led to an unlikely informant.

A fisherman reels in an 18-year-old Lisa Kimmell; the search for Lisa becomes the hunt for a predator.

Joel Marino, a salesman from Madison, Wis., is stabbed to death in broad daylight; the predator seems to be one step ahead of the police.

Kristin Huggins, a 22-year-old artist, suddenly disappears after leaving her parents' home for work. Police soon discover she had a brush with disaster.

When young Kari Nixon goes missing while on a snack run, no one in her upstate New York town can imagine why anyone would harm her. With no body and few clues, detectives struggle to solve the mystery until a twist leads police to an unlikely killer.

Kari Nixon goes missing in upstate New York; with no body or clues, detectives struggle to solve the mystery.

When Audrey Giannotti is found shot to death in her basement apartment, the cluttered crime scene points to a burglary gone wrong, but police suspect someone close to the victim.

Panic spreads through a town as Lynette Jarrett disappears. When the case reaches a dead-end due to scant evidence, a new lead proves to be fruitful.

Three members of a church-going family are killed in a triple murder in Lancaster, Pa.

A female student is shot while on Spring Break in Daytona Beach, Fla.

At first thought to be linked to a home invasion, the death of mother-to-be Kelsey Monahon is linked to a trio of suspects which includes Kelsey's husband.