CNN EarlyStart April 22, 2013 09:35:00
Regret on his part. he may want to actually cooperate with authorities. but once again, we want to know if there's more plots out there. more bombs out there. are you working with anybody else in the united states? >> peter, over the course of this five-day investigation last week from the time of the bombings to when -- one suspect was killed and the other apprehended there were a lot of successes but also some things that didn't work. facial recognition software for instance. they had pictures of both of the suspects, both of the suspects were in the system somewhere, whether it's immigratio...