Accused serial predator had 'devil' in eyes, woman says

She met him on a dating site, where Seth Mull's profile said he was "serious about finding the perfect match." She found him attractive: Mull was fit, with huge biceps and ripped abs. He was kind, too, quickly gaining her trust. The couple met at a Pennsylvania hotel, where they drank and listened to music. She said she'd made it clear to him ahead of time: No sex.