Sex offender pleads guilty to failure to comply with registration. #MasonCountyCrime By Allison Scarbrough, Editor. LUDINGTON — A 46-year-old convicted sex offender pleaded guilty in 51st Circuit Court Tuesday, Jan. 14, to a felony of failure to comply with the sex offender registration act and fourth-offense habitual offender. Matthew Jason Case, of 926 E. Tinkham Ave., Apt. 313, Ludington, testified…