After a suspected serial killer wakes up from a coma, the BAU reopens the case and uses brain fingerprinting to determine if he really doesn't remember the crimes that had been committed four years earlier.
While being apprehended, a suspected serial killer is injured and falls into a coma. Four years later he awakens with no memory, unable to even remember his own name, much less the crimes he supposedly committed. The team uses brain fingerprinting and mus more