CSC investigation among police activity. #MasonCountyCrime LUDINGTON — The Ludington Police Department investigated a criminal sexual conduct (CSC) complaint Tuesday, Sept. 12, at 12:25 p.m. in the 900 block of Conrad Road. Other recent police activity in Mason County includes: Monday, Sept. 11, 2017: – 4:55 p.m., (Michigan State Police), assault complaint, US 10 near US 31, Amber Township. Tuesday,…