Linn County authorities are investigating a recent string of burglaries in Central City and Troy Mills. Linn County Sheriff Brian Gardner told KCRG a burglar or burglars broke into five businesses last week and attempted a break-in at a sixth business. The burglaries happened late Monday night, January 6th into the morning hours of Tuesday, January 7th. Gary’s Auto in Troy Mills had a broken window and around one hundred dollars missing. In Central City, someone pried open the back door at Montana’s Family Restaurant and stole about two hundred dollars. Authorities have not made any arrests and do not have any suspects at this time. If anyone has any information, they should call the Linn County Sheriff’s Office at 319-398-3911.