Michigan State Police warning residents about mail/package theft. Courtesy, Michigan State Police BATTLE CREEK, MI (WNWN/WTVB) – Michigan State Police Troopers want to remind everybody to stay vigilant and report suspicious activity as the theft of catalytic converters is on the rise. Troopers from the Marshall Post are investigating a larceny of a catalytic converter, a stereo and a saws-all from the park and ride at Columbia Avenue and I-94 in Battle Creek which took place between February 18 and 22. The victimâs vehicle was parked in the parking lot when the theft occurred. The suspects are unknown. Anyone with information regarding this incident is asked to contact the Michigan State Police Post in Marshall at (269) 558-0500.