Doug Jandebeur may have lost his wallet to a common thief , but he won the fight . The 84-year-old army veteran was getting into his pickup truck outside his business in Tulsa , Oklahoma , on Monday night , when a robber who was waiting for him attacked from behind . The young man punched Jandebeur in the face and managed to grab his wallet . However , as car park CCTV shows , Jandebeur was no victim . Scroll down for video . Incoming : Police in Tulsa , Oklahoma , are searching for this man , who appeared to be waiting in a car park to attack 84-year-old Doug Jandebeur on Monday night . Approach : As this CCTV shows , the suspect approached Jandebeur from behind as he got into his truck . Attack : The robber grabs Jandebeur and punches him in the face , grabbing his wallet from his pocket . Running scared : However the thief is sent packing after the army vet spins around with his gun . As Jandebeur explained to Fox News : ' I pulled out my automatic and was getting ready to ventilate him . 'Once he saw my gun , he decided it was time to leave . ' Jandebeur said his wife was actually sitting in the passenger seat of his truck waiting for him . He said he was concerned for both of them . However he is thankful to have had his gun , and that his business is situated in a gun zone . 'Anybody that does n't arm themselves is asking for trouble , ' he said . Fighter : Doug Jandebeur , 84 , an army veteran , believe 's that anyone who does n't carry a gun is 'asking for trouble ' . He was attacked on Monday night . Police in Tulsa are now using the CCTV to try and determine who the suspect is . Jandebeur suffered a bruised jaw from the hit , and lost his wallet , but is otherwise ok . Anyone with information on the man is advised to call Crime Stoppers at 918-596-COPS .
Doug Jandebeur , 84 , was attacked leaving his business in Tulsa , Oklahoma . A robber had been waiting for him , punching Jandebeur in the face . However the thief was scared off when Jandebeur produced his gun . The suspect remains at large and still managed to get Jandebeur 's wallet .