In Redwood Falls, two post office drop boxes were broken into earlier this week. It's unclear if any mail was taken from the 4th Street boxes when the locks were broken off. According to the report the break-ins happened between 2:30 p.m. on Saturday and 7:00 a.m. on Monday. Two possible suspects have already been identified. The Redwood Falls Police Department is working with the United States Postal Inspector's Office during the investigation. Authorities are encouraging the public to report any suspicious activity they may have seen near the drop boxes between Saturday and Monday.