In The Interrogator: An Education, retired CIA clandestine officer Glenn Carle tells how, in fall 2002, he was sent to the Middle East to interrogate a purportedly high level al Qaeda figure he calls CAPTUS. While Carle does not identify either the detainee or the countries in which he interrogated him, Scott Horton reports the detainee is an Afghan named Pacha Wazir who, before he was captured, ran a hawala al Qaeda used; the two locations are Morocco and Afghanistan’s Salt Pit. After some weeks of rapport-based interrogation, Carle became convinced CAPTUS wasn’t as involved in al Qaeda as CIA believed him to be.