Twenty years after Brian Shaffer vanished from a Columbus bar, investigators believe someone out there has critical information about the case.

Brian, a 27-year-old medical student at Ohio State University, went bar hopping near campus with friends on March 31, 2006, rolling into the early morning hours of April 1. He vanished from the Ugly Tuna Saloona, a now-closed bar that was located inside the Gateway building, an entertainment hub with multiple tenants, at 1546 N. High St.

Read more: nbc4i.com