

Eighty-five million acres make up the National Park System, and only 33 special agents nationwide are responsible for investigating crimes that occur on this public land. This documentary series follows the uniquely qualified team that leads the investigations as they seek to bring law and order to some of America’s most rugged and remote landscapes, tackling a new case each season.

Tv / 1978

Tv / 2020

Tv / 1999

Tv / 2022

Tv / 2016

Tv / 2009

Tv / 2011

Tv / 2004

Tv / 2021

Tv / 2004

Tv / 2015

Tv / 2007