In this riveting episode of "Alaska State Troopers," the men and women in blue risk life and limb to protect the residents--and resident animals--of Alaska. From a barricaded, armed standoff in a remote Native village, to a high-priority SWAT arrest, to misfortunate moose and dangerously intoxicated drivers, the troopers respond to the most harrowing calls during the dead of an Alaska winter.

Source: National Geographic Channel