Police were called to the center at 1725 Silver Moon Ln. around 4:45 a.m. Wednesday. A citizen out for a walk saw that the south side of the building had been spray-painted with graffiti.
Investigators believe the vandalism happened sometime between 8:30 p.m. Tuesday and 4:45 a.m. Wednesday.
Anyone with information may be eligible for a cash reward of up to $300 by calling Crimsteoppers at 1-877-765-8327, New Holstein police at (920) 898-4241 or by sending a text message to 274637 with the keyword Calumet.