. >> reporter: but like batesy, the young lady said she had no recollection of the attack. >> what did she tell hundred happened? >> he told me that i had gotten sick in his room and he had to clean it up and that it was horrible and that he had to spend all night taking care of me and that it was horrible. >> reporter: testifying last week that she'd been out drinking that night with vamdenburg who she'd been casually seeing at the time before passing out. >> i felt very out of it. i didn't feel like myself. i felt very confused. i felt sick. i was nauseous. i started to develop a really bad headache and i also was in pain in certain parts of my body. i was sore all over. like i said, i was in pain particularly right knee. i also have a lot of bruises on my legs. and i did notice a few days later that i had bruises on my buttocks. >> reporter: michael kimmel, a socialologist and professor says many use sexual violence to make a point. >> it's a way of saying to women, you may be equal to us you may be able to run circles around me on the soccer field, getting a better grade than i am