Although the initial plan called for the Afghan government to operate the site, it actually was overseen by the CIA from the start. The CIA authorized more than $200,000 for the construction of the prison in June 2002; the site became operational with the incarceration of Ridha al-Najjar in September 2002, although the first formal guidelines for interrogation and confinement at the site were signed by Director of Central Intelligence George Tenet only in late January 2003. Ultimately, the prison housed, at one point or another, nearly half of the 119 detainees identified by the Senate Intelligence Committee report on CIA torture.