ongoing and we'll need to continue our interaction with him. >> was the suspect under surveillance and did there come a point when he dropped off the radar yesterday? >> the number of individuals have come up in this investigation and mr. shahzad was one that we identified as somebody that we would like to find out more information about. so during the course of the investigation from saturday night we identified him as a person that we would like to talk to. we were able to locate him away from his house, which you saw on the news, bridgeport, connecticut, there. and then we were able to provide that information as the secretary mentioned to cdp for proper handling and other agencies in case he was stopped in another context. the bottom line was we were able to identify, locate, and then detain mr. shahzad. >> one quick follow up. in terms of the travel of people