chris marzan/witness:"i used caution. i was very careful because i didn't know if this guy was going to come out with a weapon."marzan placed the 22-year-old in handcuffs.chris "i was like 'get down on the zachary samaha complied with orders but the good samaritan says he was clearly intoxicated.chris marzan/witness:"he was like, 'oh okay, you got me,' and he was just laughing about the whole thing. so it was like a big joke to him."sacramento police say they are investigating the incident and hope to prevent another patrol car from being stolen again. sgt. vance chandler/sacramento police:"i don't know why anyone would commit such a crime. we are looking into it right now and we're looking at our policies and procedures if there are any lessons learned from this event."marzan says he knows he put his life at risk... but has not regrets. leticia ordaz/reporting: "hindsight, do you regret doing what you did?"chris marzan/witness:"since last night a lot of people have talked to me about it. i don't recommend anyone doing any