The search is continuing for a Knott County man missing since December. Kentucky State Police say 56-year-old Richie Slone was last seen walking near his home on KY-160 in Knott County. Trooper Matt Gayheart tells WYMT they have gotten some tips and leads and followed up, but to no avail. Gayheart says they do not suspect foul play but have also not ruled it out. Trooper Gayheart asks that you take a good look at the picture and check around.