watch volunteer george zimmerman who was acquitted of second-degree murder charges. crump represents martin's family. >>> a man's heart stops beating, he hits the pavement and no one around knows what to do. >> matt: until one hero stepped in and saved a life. this took one phony meeting and one special circumstance to make this week's getting results award a reality. >> i've been doing this job almost 19 years. >> matt: hundreds of used cars. 84 keys. and two computer screens can certainly complicate your day. >> try to put my priorities a little bit higher. before it was work, work, work. >> it's what you find under his desk that keeps things in perspective. died and they brought me back. >> matt: last april, someone stole tools from the dealership where mark works. mark tracked the man down to this papa john's parking lot. there was an argument. then mark collapsed. >> there were a dozen people standing around my body when i was gone. nobody knew what to do. nobody knew c.p.r. >> when you see resuscitation is going on, it looks bad. i didn't think he was going to