Due to the graphic nature of this killer's crimes, listener discretion is advised.

This episode includes discussions of murder and suicide.

We advise extreme caution for children under 13.

In late July 2019, a plane roared over the vast wilderness of Northern Canada.

But this was no ordinary aircraft.

It was an Air Force Hercules transport plane, packed with officers from the RCMP.

From up above, they surveyed the ground, hunting for killer teens,

Briar Smigelskiy and Cam McLeod.

By that point, the two best friends had slaughtered three people,

and were now escaping on foot.

Unless the cops could find them, more would be on the way.

At first, the craft hurtled over an endless sea of pine trees,

dotted with bogs capable of swallowing humans' hole.

Soon, the long-range camera caught a flash of white in the distance.

Perhaps a tent may be a remnant of a campsite.

The RCMP steered the Hercules toward the spot, just a speck of lint among the vast green.

As they got closer, however, they realized the object was moving.

But it wasn't Cam and Briar, or any human for that matter.

Lumbering across a plane of tiny wildflowers was one of the most dangerous mammals on the planet,

a polar bear.

Cam and Briar had chosen a treacherous place to hide,

but the cops had an even bigger task.

...