soon, peebles said, the gunman turned and threatened one of his boys. >> he can see my son.is looking at him. he points the gun and he said, if anyone does anything, the kiddie is going to get it. >> reporter: police identified the robber as 34-year-old matthew rogers and say he walked out of the bank with ten of thousands of dollars. after telling his kids to stay put, he followed rogers outside and headed forly rental van. >> to me it was just, i need to get this guy and he needs to go to jail. that's all it was for me. you don't point weapons at children. >> reporter: across the parking lot, he used his van to block rogers' car. then used martial arts moves he learned in the military to pin him to the ground until deputies arrived. >> which was bad for me. i'm holding the weapon in one hand and a bag of money in the other and there's money everywhere. >> reporter: as it turned out interesting gun was a realistic fake. the money was recovered. and peebles' son had an important question. >> when i came back in the bank, he stood up and he said, daddy, did you get that bad m