and that's when it's like, okay, and he high tails it off. >> mckinney's coworker in the back room wiggles her hands free from the loose knot. she dashes to the front of the store. mckinney calls the police. when officers arrive to investigate, it doesn't take long to crack the case. >> he dropped his keys. so he ran to his car, and he couldn't leave, so he hid down in the seat and when the police came, they got him. >> the masked man is michael gaines. he is convicted of robbery and sentenced to six years in prison. he isn't charged with armed robbery because his gun was a fake. police also learn that his visit to mckinney's store wasn't his first. >> he was a customer. i recognized his voice, and i was like, i can't believe this is someone that i've dealt with, doing this. you know, for him to be acting like that. >> mckinney and her colleague aren't hurt but she says if something like this ever happens again, she'll just hand over the cash.