Carlson be held responsible for a crime that was committed by a separate personality? But then other evidence began to surface, and other theories. Is it possible that Carlson was faking MPD? Did he study the symptoms in advance, in order to give himself an insanity defense in case he was caught? Based on his personal involvement with the case and his own sessions with Carlson as well as his wealth of experience in psychiatry, Dr. Michael Weissberg discovers not only the.