Born of great desperation and used under the cover of darkness, special tools of spies and espionage agents delivered war to the heart of the enemy on the shadowy, invisible battleground.

A special ABC News series pulls together years of investigations and reports shedding light on allegations of serious misconduct and potential war crimes by Australian Special Forces in Afghanistan.

After World War II, Hitler’s deadliest lieutenant escaped.

America's Secret War: Minnesota Remembers Vietnam is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV ...

In "Cold War Secrets of Northern Minnesota," you'll meet Cold War heroes like Ray Klosowski, Jim Chapman and Ronald Hein. You'll visit military sites in Duluth, French River and Finland.