Buried in the Backyard, Poison Letters

S5 E1 • 43m • HDTV14

A sinister plot has investigators searching for answers deep into the Chihuahuan Desert.

S5 E2 • 43m • HDTV14

A grandmother is a no-show at work, leaving friends and family desperate for answers.

S5 E3 • 43m • HDTV14

A California mother wakes to find the door wide open and her daughter missing.

S5 E4 • 43m • HDTV14

Investigators navigate a twisting trail of small-town rumors and misguided revenge.

S5 E5 • 43m • HDTV14

When a Michigan mother disappears, investigators pin all hope on a sole witness, a 10-year-old boy.

S5 E6 • 43m • HDTV14

A Missouri couple is thought to be swept away in a storm, but a closer look points to foul play.

S5 E7 • 43m • HDTV14

When a successful Arizona businesswoman disappears, investigators hunt for a kidnapper.

S5 E8 • 43m • HDTV14

A promising forensics student is found mutilated on a lonely stretch of Utah highway.

S5 E9 • 43m • HDTV14

Investigators must uncover if a retiree's demise was connected to his unconventional pen pals.

S5 E10 • 43m • HDTV14

When a widower disappears from his home, investigators get caught up in a federal investigation.

S5 E11 • 43m • HDTV14

A young couple heads back from a holiday visit but never makes it home.

S5 E12 • 43m • HDTV14

Investigators uncover a long-buried secret in a New Jersey backyard.

S5 E13 • 43m • HDTV14

A mother is found murdered near North Pole, Alaska, and soon four more girls meet the same fate.

S5 E14 • 43m • HDTV14

Detectives attempt to trace a young woman's last steps as she leaves a casino and disappears.

S5 E15 • 87m • HDTV14

After two Colorado women vanish in a deadly winter storm, key evidence keeps the case open.