The Denver Post reported that Scott Kimball is a potential suspect in “several” unsolved disappearances.

The FBI disclosed the fact that investigators are looking at specific cases after the paper tried to obtain a memorandum dissecting the bureau’s handling of Kimball as an informant. The bureau refused to release the internal report.

Several law enforcement sources had told the Camera they believed Kimball was likely involved in other missing-persons cases, but they did not confirm that any investigations were ongoing.