his brake lights. >> looks like he already gave the swoop signal. >> signaling the arrest team to swoop down and make the bust. >> that's it right there. arresting. >> as the police close in, the subject makes a half-hearted attempt to flee. >> she's getting out of the car. she's getting out of the car walking southbound. that's her. >> down for one second. >> the woman is easily arrested and she's done for the night. but the task force is just getting started. >> she's running up to meet him in the alley. >> moments later, just a few blocks away, they nab another one. it's business as usual on the streets of oakland. >> female black, looks like pink shirt, white shorts. we got her last time. >> then the officers find something that really captured their attention. >> hey, those girls are really young. >> three girls who appear to be juveniles out on a stroll. >> all right. pulling up alongside of them. still rolling. >> the undercover officer