Episodes

In the winter and summer of 1999, a serial killer struck four times in the span of six months inside Yosemite National Park. His spree of brutal murders left FBI agents and local law enforcement searching for leads across the state of California.

The case of who murdered Julie Williams and Laura Winans at their campsite by a peaceful mountain stream inside Shenandoah National Park in 1996 still remains a mystery. The brutality of this couple’s slaying has baffled state and federal investigators for 24 years.

In 1983, one man’s kind gesture to give a hitchhiker and his dog a ride into Glacier National Park, ends in murder and a manhunt that spanned from California, to Canada and eventually Mexico.

In a matter of four months that stretched between late 2007 and early 2008, drifter Gary Michael Hilton went on a killing rampage in national parklands across three states on America’s East Coast that left a 4-victim body count for authorities to piece together.