By Allison Scarbrough. Contributing Editor. LUDINGTON— A 19-year-old Scottville man currently lodged in the Mason County Jail is looking at serving three months of a six-month discretionary jail term after pleading guilty Tuesday, Aug. 4, in 51st Circuit Court to a felony of possession of heroin, less than 25 grams. Austin James McCumber was arrested June 19 by the Mason…