your fingerprints one of the markers that is about as unique as your fingerprint is what your ear looks like. people have been identified just based on profiles because of what the ear looks like. that's an incredibly valuable shot. and in my experience, it would not be an accident that that is one of the shots the fbi has posted here. >> and why would that be catherine? why do you believe that? >> well, if you don't have fingerprints for an individual to identify them, one of the standard practices with the crowd shots, when you are trying to find a suspect, is to look for a profile shot. because, as i mentioned, the shape of your ear is as individual as your fingerprints, it's as individual as a snowflake. you just don't have any repeats on that. having that profile shot and having that ear is almost like having that individual's fingerprints. so, based on my years covering, this i don't