. >> reporter: villanova students reacting to the arrest of 19-year-old vincent cain. a student that she shared a class with. >> he was a quiet kid. he just kind of kept to himself and sat in like the classroom and didn't really say much. >> reporter: but authorities have charged cain with setting up a hidden cell phone camera in a third floor you any sex bathroom on campus. >> and then he would have filmed both men and women or students going to the bathroom, basically. so there were being filmed as they were using the facility there is. >> reporter: a freshman has a class on that floor. >> this is just like crazy that it happened here. like it was such a nice university. you wouldn't think. but i guess it's a wakeup call. >> reporter: after seizing cain's computer, they found he was upskirting women at the cvs where reworked. >> he would place the phone underneath where the candy is stored. it's hard to see. but the camera would be able to be focused on ladies that were wearing skirts. >> reporter: authorities found when cain was a senior at cardinal oh her a, and wa