joining us "right this minute" is the sergeant of the lyndon, new jersey, police department mike babowlsski. >> we use them to show the dangerousness of the intersection. people don't believe how dangerous until they see these. >> they can help you solve crimes? >> oh, yeah. to solve robberies. for everything. >> what is the typical excuse? >> i didn't see it. >> why did you explain a video, the guy's park and he drove right through? >> i believe the people are toying with cell phones, ipods, my personal opinion of it. >> how do you try to prevent it? >> prevent it stop for red and pay attention. the are ka's a weapon. you need to be very careful when you're operating. >> are police able to track that driver down? >> we actually use this for a lot of follow-ups. only problem in the state of new jersey, we can't add additional violations for the cameras. only allowed to -- >> you've heard them all. what's the absolute worst excuse you've heard. >> worst, people deny they ran it. i stopped. i stopped. show us that, 28, 30, 40 miles an hour. >> yeah, when you got to your final destination is!