the day before the wedding, he called it off. >> carla hughes was a doormat for men. whenever she fall for a guy, she falls hard and most guys take advantage of her. >> investigators believe carla saw keyon pittman as the answer with to her problems. >> she wanted to be where avis was. >> prosecutors believe carla hughes wanted to eliminate the only person standing between her and keyon, avis banks. so she borrowed her cousin's gun and knife and went to the home avis and keyon shared. she attempted to break into avis's home late in the afternoon by kicking in the glass on the back door, leaving remarkably clear shoe impressions. when this didn't work, she kicked in the doorjamb. once inside, she pulled out drawers to make it look like a robbery gone wrong, then waited for avis to return from work. cell phone records show carla placed her first call to keyon before the murder, most likely as she was staging the scene. no one knows what was discussed during that call. when carla heard the garage door open and avis's car pull in, she sprung into action. carla fired three