Winona Police Department seeks property owners' help in search for missing Madeline Kingsbury.

Authorities in Winona, Minnesota are continuing their search for missing person Madeline Kingsbury, who disappeared under suspicious circumstances on March 31. Law enforcement is requesting property owners in Winona and Fillmore counties to report old wells, homesteads, windmills, or sinkholes that could lead to new searches. Volunteers are also being asked to place a blue checkmark on their property if they consent to have it searched. There is a $50,000 reward for information leading to her whereabouts, and authorities are reviewing daily tips but have not identified a suspect or person of interest.