
By Rob Alway. Editor-in-Chief. LUDINGTON — Three witnesses have been called to the stand so far in the trial of Eric Knysz, the 20-year-old Irons man accused of murdering Trooper Paul Butterfield. Constance Helton, who works at Spectrum Health Ludington Hospital (on Sept. 9, 2013 — the day of the shooting — it was known as Memorial Medical Center) was…