A former head of counterterrorism at the CIA, who was investigated last year by the Justice Department for the destruction of videos showing senior al-Qaeda officials being interrogated, says that the harsh questioning of terrorism suspects produced the information that eventually led to Osama bin Laden's death.

Jose Rodriguez ran the CIA's CounterTerrorism Center from 2002 to 2005 during the period when top al-Qaeda leaders Khalid Sheikh Mohammad (KSM) and Abu Faraj al-Libbi were taken into custody and subjected to "enhanced interrogation techniques"� at secret black site prisons overseas. KSM was subjected to waterboarding, sleep deprivation and other techniques. Al Libbi was not waterboarded, but other EITs were used on him.

"Information provided by KSM...