it goes through a database. and compared. the computer spits out possible matches, and then there's a physical match. martin: he'd been arrested in december of '83 for auto theft, and that was on file. that's where the make occurred. and it came in just in time to help them identify the night stalker. block: the individual who we believe is responsible for these crimes -- a man by the name of richard ramirez. richard ramirez was a tall, thin, dark-haired, dark-eyed, hispanic male with rotting teeth, a 25-year-old described drifter from el paso, texas. martin: there was a booking photo, and his photograph was published. block: at this very moment, an alert is going out to all law enforcement agencies to be on the lookout for this individual,