so i activated my lights and pursued the vehicle. >> mccloskey pulls over, but he doesn't surrender.ior to getting my door open, he starts coming out. you can hear me on the video camera saying, get back in my car. but i couldn't finish the sentence. get back in the --. >> i just remember his arm coming out and pointing the gun towards us. i stepped out of the car and remember just trying to get enough distance from the door. i had my rifle slung up as well. and just trying to get the distance to bring my rifle up to return fire. >> officer kenworthy exited the passenger side and engaged him, i came around officer kenworthy's side and started putting a good amount of return fire on him. >> to be honest with you, it seemed very much like a training video. i was waiting for somebody to pause it and basically start asking questions of the class, but it was just -- it kind of kept going. it just -- it didn't stop. >> through the shower of police gunfire, mccloskey somehow is able to get back into his truck. but he isn't going very far. >> when he was trying to get back into the vehicle,

. >> reporter: mike mccloskey is an expert on aggression and a professor of psychology at temple universityin philadelphia. he spoke to me for "cbs sunday morning." what is it about driving that makes some people just so angry? >> you're really trying to get to a from b. and you usually haven't given yourself enough time to do that, so the trip itself is very, very stressful. >> reporter: fatal road rage incidents are on the rise, scott, between 2010 and 2014, road rage has been blamed for more than 1,700 deaths. >> pelley: kris van cleave, thanks so much. when we come back, we'll meet a woman who stopped riot police in their tracks. ed riot police in their tracks. hmb new patented enss plus 20 grams of protein to help rebuild muscle. for the strength and energy to do what you love. new ensure enlive. always be you. w...i was always searching for ways to manage my symptoms. i thought i had it covered. then i realized managing was all i was doing. when i finally told my doctor, he said humira was for people like me who have tried other medications,... but still experience the symptoms of mod