The surprising information about Abu Bakr al-Baghdadi's general location - in a village deep inside a part of northwestern Syria controlled by rival Qaida groups - came following the arrest and interrogation of one of his wives and a courier this past summer, two US officials said. The Syrian and Iraqi Kurds, an official said, provided more intelligence for the raid than any single country.

from Times of India https://timesofindia.indiatimes.com/world/us/cia-got-tip-on-abu-bakr-al-baghdadis-location-from-arrest-of-a-wife-and-a-courier/articleshow/71794435.cms