spy. >> so one of the first things we requested was physical surveillance on her. >> we had a lot to do. the fbi put cameras in her cubicle and microphones and tapped her phones and all that sort of thing. >> we started doing significant physical surveillance on montes, identifying her patterns of behavior, what was her routine. >> so watching ana montes, we saw that, for example, she would leave her home on sunday night at a precise time, go to the local metro, get on, go several stops, get off, walk, stop at locations, wait 60 seconds, go somewhere else, wait 90 seconds, more methodical, things a normal person doesn't. you knew something was afoot. >> when her shoe seemingly untied and she stopped, was she