In this aerial photo, law enforcement authorities investigate the charred remnants of a cabin in the Angeles Oaks area of Big Bear, Calif. An official briefed on the investigation tells The Associated Press that a wallet with a California driver's license with the name Christopher Dorner has been found in the rubble of a cabin. A charred body was also found inside after a shootout and fire. Authorities believe the remains are those of the former Los Angeles police officer, but they have not been formally identified.