a tire iron at the time. you know, she just thought the girl hit her. >> the girl did hit her and delivered blow after blow to the cowering clerk. >> she put up her hands to block the next hit and ended up hitting her wrists or her hand area. >> with the cash drawer open, the assailant takes the money from the register while threatening the clerk. >> stay back. stay back right here. right here. >> unfortunately, for this robber, several surveillance cameras posted around the store capture her every move. within a few days, police have a break in the case. >> we have very good video surveillance of her, and that provided the information that we needed to be able to identify her. >> police arrest karla janeth jauregui, a student at arizona state university. how's this for irony, the suspect's major? criminal justice. her stated motive, money troubles. jauregui pled guilty to aggravated assault and armed robbery and was sentenced to five years in prison. police say the surveillance