CNN Bostons Finest September 2, 2013 07:07:00
Firearm, that's whoa i'm telling you. >> when the call for shots fired comes in, you get that adrenaline feeling going through your body. your vision is a bit better. your hearing is a bit better. >> one down. >> a few blocks away, the rookies also respond to the call. >> as a patrol officer, you go wherever the radio call sends you. and you go to that situation regardless of how dangerous it might be. >> controlling access to the street is crucial. eunice, jean-louis and backup officers seal off the scene from the south. >> watch that, watch out. >> while lawton and mccormack circle around to...