driver, felipe alba, pulls over. the cops get out to investigate. >> our alert -- more heightened alert because i hear a moaning, someone in pain as i continue my approach. i see fully that the female passenger is in labor. >> we're delivering a baby. >> i try to tell them, she's having a baby. >> the two cops quickly realize brenda alba needs help. she's not going to make it to the hospital. bonitez and bradley become mid wives with a badge. >> i immediately opened the door and just explained, i'm going to help you basically catch the baby at this point. >> the mom the whole time was very calm and they had a 5-year-old in the back seat jumping around saying, oh, my little sister's coming >> within seconds, bella is born right in front of the milwaukee public market. the officers unwrapped the umbilical cord around her shoulder but bella still isn't breathing.