Episodes

A young father is gunned down in the middle of the night by an unknown attacker at a popular California State Park in Malibu. The shock of his murder sends the community reeling and the person behind the attack turns out to be a serial offender.

When a 18-year-old girl is found murdered in Great Smoky Mountains National Park authorities quickly zero in on the group of young men who last saw her.

In July 1976, a young couple camping in a Wisconsin state park were both shot dead. For forty years, investigators had a sketch, a plate number, a blood type — and not enough DNA to test. The investigation would span decades until the truth eventually surfaced.

When park rangers in Pennsylvania stumbled across an abandoned car with a dead dog inside, investigators quickly mobilized to find two missing campers. But when one of the women is discovered dead and the other alive…authorities find themselves in a dilemma.

When a quiet Thanksgiving Day morning is shattered by a senseless murder of a wildlife resources officer, the question isn’t what happened, it’s which of two brothers actually pulled the trigger?

In the middle of the night while returning home from a camping holiday with his two young sons, a father is gunned down in a violent execution-style murder at a quiet rest area. Evidence of a ruthless assassin emerges, but resolution evades law enforcement in two separate countries.

When a hand is unearthed in a popular meadow in Yosemite National Park, investigators hunt for answers for years. When an ID is finally made, even more questions emerge.

A summer resident of Great Smoky Mountains National Park vanishes without a trace. The mystery surrounding how she disappeared and why grows with every passing decade.