Red Oak Police arrested a Tarkio, MO man on Friday after responding to a call of a suspicious male.  At approximately 12:42pm Officers were called to the area of S 8th Street by the dog park in Red Oak.  Upon arrival Officers found 50-year-old Robert William Johnson of Tarkio, MO in the area.  Officers questioned Johnson on why he was there and his story kept changing as they interviewed him.  Officers then searched and found 2 cellophane baggies containing approximately 2 grams of suspected Methamphetamine.  He was then arrested and charged with Possession of a Controlled Substance 3rd Offense, a Class D Felony.  Johnson was taken to the Montgomery County Jail and held on $5,000 bond.