>> but thanks to a child's amazing feat and an officer's quick-thinking bravery, all ends well. >> tustin seemed to be relieved once i got there because he was the one taking care of his family, protecting his family, until more help could get there. >> philip mains is revived by emergency medical services. but it isn't until he sees that dash cam video that he fully appreciates what has happened. >> i'm very thankful that tustin was able to do what he did. but to actually see an officer go up on the side of a moving vehicle, you're just thankful that people are willing to risk their own lives to save somebody. >> as the cameras show us, an officer's job is far from routine. so if you're pulled over for a violation, try being polite. remember, the trooper could have just been dealing with a drunk, a felon. or a child. if you have a video you'd like to send to us, you can logon to our website, caught on camera.msnbc.com. i'm contessa brewer. that's it for this edition of