Documentary - Go behind the scenes at the United States Postal Inspection Service with this documentary that explores the odd and surprisingly dangerous job of postal inspectors, who investigate crimes ranging from identity theft to domestic terrorism. Lethal explosives, strange powders, illicit drugs and more are all in a day's work for this elite group of forensic detectives, who can trace their unit's origins all the way back to 1772. - Patrick Michael Strange, Paul Fahrenkopf, Manny Oliverez