Hi, Park enthusiasts. I'm your host, Delia DeAmbra.

And the story I'm going to tell you today is a case I briefly mentioned toward the end

of an episode in season 3 titled The Tower. That was the story about the suspicious disappearance

of fire spotter Stephanie Stewart in the wilderness of Alberta, Canada.

This episode is going to cover the harrowing double murder of a husband and wife named

Lyle and Marie McCann. This couple set out on a road trip across the western provinces

of Canada, only to be stopped short by a ruthless killer.

The highly publicized case of what happened to them during the summer of 2010 is one that

no one should easily forget.

The crime took place in the woods near Edson, Alberta, a town about an hour northeast of

Jasper National Park and roughly two hours west of Edmonton.

Lyle and Marie were driving their RV to British Columbia to spend time with family and while

in route had made plans to camp at various campgrounds along Canada Highway 16.

This part of the country is known for having thick woods in between rest stops, recreation

areas, private farms and small towns. And it's in this pristine landscape that the unthinkable

happened at the hands of a man who to this day has never taken responsibility for his actions

or revealed what happened to his innocent victims.

This is Park Predators.

Around 7 o'clock at night on Monday, July 5, 2010, firefighters from the Edson Fire Department

in Alberta got a call for something out of the ordinary.

A motorhome was on fire at Minnow Lake Campground, a small camping area in the woods about 30

miles southeast of town. These firefighters knew that from time to time, fires could spark

...