that was really close. >> alexis reynoso suffers three fractures to his pelvis, but escapes with hisife. >> i think it was part luck, and definitely wouldn't have had the same outcome hadn't the citizens helped us. without their help, i don't think the outcome would have been the same. and luckily, those good citizens were there, and helped us. otherwise it would have been a different outcome. they made the difference. absolutely. >> made me a better person actually to think about life, how important life is. >> you'll be fine, you'll be fine, buddy. good job, guys. >> coming up next, what would you do if you saw a woman lying face-down on an emergency room floor? >> a security guard wheels himself in on a chair, rounds the corner of the wall, looks at her, and wheels himself right back out. >>> and later, a life-or-death fight in a parking lot over a loaded gun. >> i didn't have time to think about my own safety. i didn't have time. >> when "caught on camera: what would you do" returns. you can prevent gas with beano meltaways, or treat gas with these after you get it. now that's li