sentences:  She was the first journalist to report the story of two Afghans who died in US custody at Bagram air base (Parwan Detention Facility).The case of an Afghan taxi driver beaten to death in 2002 while in US-military custody forms the heart of the documentary's examination of the abuses committed during the detainment and interrogation of political prisoners.Gall investigated the death of cab driver Dilawar, officially declared by the military to be from natural causes, but uncovered what she considers to be incontrovertible evidence to the contrary.