Marion sheriff hopes to repeat success with 1989 John Doe cold case, by Sarah Volpenhein, “Marion Star” — Bailey hopes to finally solve that mystery with the help of the same technology that last month helped identify the Jane Doe alleged to be serial killer Shawn Grate’s first victim. The sheriff’s office has submitted the unknown man’s DNA to the DNA Doe Project, a California-based nonprofit that uses genetic genealogy to help solve unidentified persons cases.