4 ฤดูกาล
43 ตอน
America's Book of Secrets - Season 3 Episode 9
They are an elite force of brave men and women who put their lives on the line. Their mission: to guard the most powerful person in the world. But just who are these American heroes? And what secrets are they protecting? This episode goes inside one of the most top-secret law enforcement agencies in the United States.
- ประเทศ : United States of America
- ประเภท : Documentary
- ผู้อำนวยการ :
- นักแสดง : Lance Reddick, Barry Aird, Jonathan Adams
