Transcript for Exclusive: Bombing Suspects' Bullet-Riddled Mercedes SUV
Turnout -- Brian Ross with some brand new video that hijacked Mercedes SUV from overnight -- firefight took place. Brian. How we happen to catch dark -- on Manning had caught a shot of that car being towed away it was a Mercedes SUV. That the two Brothers. Hijacked carjacked at a gas station in Cambridge. -- memorial drive they left the driver off he was a lucky man police say. And then took off. Police for a while and got the report of a stolen car. And then when they realize that -- was connected to the robbery at the 7-Eleven and putting into it together thought those must be the two suspects. They were looking forward when one of -- patrol cars right here in Watertown spotted it and that led to this so wild chase with. Guns being fired and explosive device. Devices being thrown back at the pursuing police -- Tom Manning says when he -- -- car it was riddled with bullets riddled with bullets. Brian brown where do you do know where they picked up that car how far away from the scene of the firefighter was. Well they car was hijacked -- memorial drive in in Cambridge which is -- I'd say 78 miles to -- in Watertown and so it was a wild ride through there. But believe right if he's on -- -- out there really was on flight. Yes they they they chased it through here -- wild chase they stopped the car. Everybody got out there was a gun battle really on the streets of this quiet suburb. In which the transit police officer was. Seriously wounded and the older brother was wounded and ultimately died of those wounds. And then the younger brother took off on foot somewhere. In the area up here and they still don't know where he is now. Can fine thanks very much.
This transcript has been automatically generated and may not be 100% accurate.