After a woman disappears from her home, police work tirelessly to track her last known movements, following a trail of videotape.

A couple walks into their home during a robbery, and a deadly shootout erupts, leaving two people dead; when police begin an investigation, they discover that the home invasion may not have been what it appeared to be.

After an FBI agent's daughter disappears from an airport parking lot, law enforcement officers from across the country rally to help; however, the case quickly evolves into one of the bureau's most difficult and heartbreaking homicide investigations.

A young girl disappears on her way home from school, and the police investigate a series of terrifying calls her family received before she went missing.

A young woman's body is found at a popular campsite in the Rocky Mountains, marking the beginning of a terrifying murder mystery.

After Michael Brinkman is murdered in his home, police must figure out why the two masked home invaders stole nothing and left a series of strange clues at the crime scene.

A beloved detective is killed during a shoot out in at a downtown Atlanta hotel. Can his fellow officers, including his own son, bring the two shooters to justice?

When an Air Force Major is found beaten to death just outside his home police wonder, was it a random act of violence or was his top-secret job at a nearby military base the motive for his murder?

After Wendi Brant, 45, is found murdered at her horse ranch, investigators study the crime scene and realize that Brant must've been killed by someone she knew and trusted.

Police uncover a trail of terrifying clues while investigating a couple's disappearance; they come to suspect that the couple has fallen victim to a carefully laid trap in the classified pages of the newspaper.

A young schoolteacher is savagely murdered in the doorway of her own home.

An unlikely pair of investigators strive to solve Elaine Fogle's murder after the case goes cold for four decades.

When a young woman's car is found abandoned on a bridge, police must consider three possibilities, including suicide, foul play or an intentional disappearance.

A teenager vanishes during a bike ride through Point Defiance Park in Tacoma. Wash.; the investigation into her disappearance leads police to fear that a serial killer is on the loose in Tacoma.

Police find a young woman who has been run over by her own car, marking the beginning of a terrifying murder mystery.