Missing Since: 2020-07-29 Location: Winter Haven, Florida
Knapstein was last seen in Winter Haven, Florida on July 29, 2020. He left his home on Avenue A SE early in the morning to run errands, and has never been heard from again. After his disappearance, Knapstein’s vehicle was found parked at an emergency medical care clinic on Cypress Gardens Boulevard, with his wallet and cellular phone inside the car. Few details are available in his case. Investigating Agency Polk County Sheriff’s Office 863-298-6200 Source Information Florida Department of Law Enforcement NamUs Missing Person Support Center The Lakeland Ledger Updated 1 time since October 12, 2004. Last updated February 11, 2025; casefile added.