EAGLE TWP, Mich (WLMI)  The investigation into Sunday’s fatal crash on I-96 involving a motorcycle and a semi continues.    65 year old Darleen Mikulka was killed when the motorcycle she was riding on was rear-ended by a semi.  The accident happened just west of Grange Road in Eagle Township.  68-year old John Mikulka was driving the cycle and was critically injured. Anyone who may have witnessed the accident is asked to call the Clinton County  Sheriff’s Department.