Banks still doesn't know her reasoning for selling him down the river when she knew they never had sex and there was no DNA trace on her underwear. Maybe it was the $1.5 million she collected from the Long Beach school system, claiming it was an unsafe environment (the city is trying to recoup $2.6 million from her now). Banks thinks maybe Gibson was afraid her older sister, who went to the same high school, would find out she made out with him and tell her mother. Or that he would brag to friends. Maybe she thought he would just be suspended. He doesn't think she was trying to put him in jail. He also thinks perhaps a school security guard saw her leaving the stairwell with him, asked what she was doing and if she wanted to do it.