The Yavapai County Sheriff’s Office continues to investigate the homicide of 58-year-old Grant Griffiths of Prescott Valley. He was found dead in his home on Spurr Lane, in the Coyote Springs neighborhood, back on May 29th. Detectives are trying to contact a person wanted for questioning in the case, Robin Mark Consylman. He is a possible witness and an acquaintance of the victim and could have pertinent information to the case that could help the investigation. If anyone has information about the crime, or the whereabouts of Mr. Consylman, contact the YCSO Criminal Investigation Bureau at (928) 771-3278 or Yavapai Silent Witness at 1-800-932-3232.