Missing Since: 2021-10-27 Location: Blue Mounds, Wisconsin
Wallenkamp was last seen at the Arena Township in Blue Mounds, Wisconsin on October 27, 2021. He left his vehicle behind at his residence and has never been heard from again. Few details are available in his case. Investigating Agency Iowa County Sheriff’s Office 608-930-9500 Source Information Wisconsin Clearinghouse for Missing and Exploited Children and Adults NamUs Updated 1 time since October 12, 2004. Last updated May 29, 2025; casefile added.