By Allison Scarbrough. Contributing Editor. LUDINGTON — A 30-year-old Ludington man who held his mother at knifepoint attempting to acquire drug money last June was sentenced in 51st Circuit Court Tuesday, Feb. 9, to serve nine months up front of an 11-month discretionary jail sentence, with credit for 248 days served. Howard Mark Larson, of 5607 N. Stiles Rd., initially…