. >> reporter: dennis cain has been the owner of the liberty gas station along north washington street for more than 20 years. today he's as shocked as anyone. >> first time. first for everything. >> reporter: according to cain, the robbery suspect got behind the counter after the clerk failed to close a gate. you can see him demand the money, and he appears to leave. with cash and cigarettes in hand, that's when the suspect makes a break for the door, but instead of pulling the door open, he tries to push his way out, and gets stuck. that's when the robber gets frustrated, thinking the clerk locked him in, so he returns and fires one shot. hitting the man in the hip area. >> i get off at work at 11:00, and we come here about 11:30, 12:00. >> reporter: yeah, on a regular basis? >> yeah, to get gas. >> reporter: she is a regular here and says the customer service is the reason why. >> the clerk did exactly what we tell people to do. you know, if there is a weapon involved, comply with the suspect's demands. and he did what he should have. and then the suspect still shot him, which is co