A Blakesburg man has been charged with homicide after a passenger in his pickup was killed in an August accident.  The Iowa State Patrol says 63-year-old Dennis Sandifer was driving on the Wapello-Monroe Road south of Blakesburg on August 2 his pickup struck another vehicle head-on.  Passenger 29-year-old Brandon Pruett of Blakesburg was killed in the crash.  Sandifer was arrested Tuesday morning (11/27) and charged with homicide by vehicle, which is a B Felony.  Sandifer is being held in the Wapello County Jail on $25,000 bond.