Eighteen years ago, an Ohio State University student vanished after he was captured on camera entering a bar, but was never recorded leaving. Despite a frenzy of media coverage, one of the state’s most well-known disappearances remains a mystery.

Brian Shaffer was a 27-year-old medical student in his second year at OSU when he was last seen. Lori Davis, an advocate for missing persons, has worked with Brian’s family since he went missing.

“He had already went through the White Coat Ceremony and he was on his way to becoming a doctor,” Davis said. “His personality, they’ve said that Brian was very funny, that he was very charismatic, that he was very outgoing. And I’ve even heard that he could be a little stubborn at times.”

Read more: nbc4i.com