Episodes

When a Central California businessman vanishes while on a fishing trip in Kings Canyon National Park with friends, few clues emerge as to what happened.

When two soon to be newlyweds are found dead on a scenic northern California beach, the mystery as to why they were killed and by whom is baffling.

Two young people are found brutally shot to death on a remote Canadian beach in 1972 and one man quickly becomes the center of the investigation.

When a young woman witnesses the cold-blooded execution of her hiking companion on the Appalachian Trail and lives to tell the tale, her chilling story is almost too much for law enforcement in 1974 to believe.

On a quiet mountain in eastern Tennessee three men ride off on all-terrain vehicles for an evening of exploring, fishing, and swimming but never return.

When a celebrated Colorado musician disappears in February 2020, law enforcement quickly connects dots between him and a gruesome discovery in Arapaho and Roosevelt National Forests.

When two bodies are discovered in the sand dunes of Indiana Dunes National Park, it doesn’t take authorities long to identify the victims as young people who’ve been missing for nearly a week.

Harold Henthorn loses his first wife in a tragic car accident on the side of a rural mountain road, and then his second wife falls off of a cliff in Rocky Mountain National Park.

When a mother of three suffers a horrific attack at the hands of her partner while on a family camping trip, her sons witness the unfathomable and law enforcement is determined to find justice for the victim.

In 1969, when a young boy vanished in a matter of minutes in Great Smoky Mountains National Park, his case set off a series of events that forever changed the way search and rescue operations in the United States and around the world are conducted.

When a devoted family man and avid hunter disappears while tracking deer in the Sierra National Forest, there are few clues as to what happened to him.

A man on the run lures a Mesa Verde National Park visitor to a tragic end then flees to the West Coast only to find that the consequences of his lawlessness have followed his trail from the mesas of Colorado to the coast of California.