16-year-old Shayna Ritthaler is seen on surveillance tap walking from school to a local hangout, The Coffee Cup. From there she gets into a vehicle, but no one knows what happens next. Where is Shayna Ritthaler?Joining Nancy Grace today: Mark Eiglarsh, Criminal Defense Attorney, Dr Bethany Marshall - Psychoanalyst, Beverly Hills, follow on instagram at DrBethanyMarshall Cloyd Steiger - 36 years Seattle Police Department, 22 years Homicide detective, Author "Seattle's Forgotten Serial Killer-Gary Gene Grant" www.cloydsteiger.com Joseph Scott Morgan - Professor of Forensics Jacksonville State University, Author,"Blood Beneath My Feet" Sierra Gillespie - Investigative reporter Crime Online