A detainee held in the US prison camp at Guantánamo Bay who was used as a human guinea pig in the CIA's post-9/11 torture program has produced the most comprehensive and detailed account yet seen of the brutal techniques to which he was subjected. Abu Zubaydah has created a series of 40 drawings that chronicle the torture he endured in a number of CIA dark sites between 2002 and 2006 and at Guantánamo Bay. In the absence of a full official accounting of the torture program, which the CIA and the FBI have labored for years to keep secret, the images give a unique and searing insight into a grisly period in US history. The drawings, which Zubaydah has annotated with his own words, depict gruesome acts of violence, sexual and religious humiliation, and prolonged psychological terror committed against him and other detainees. Zubaydah's sketches provide a unique visual record of the US government's use of torture in the wake of 9/11. Videotapes of Zubaydah being tortured were filmed by the CIA but then destroyed in violation of a court order, while a 6,700-page torture report by the Senate intelligence committee remains secret almost a decade after it was completed. Though the full Senate report has never been made public, its conclusion is known: that the abuse of Zubaydah and other detainees failed to elicit any new intelligence. In other words, torture does not work. The US initially claimed [Zubaydah] was a top al-Qaida operative but was forced to concede he was not even a member of the terror group.