Branson Police Department Missing Person Branson Police need assistance in locating Donald Kallsen. The last contact with Donald was on 08/04/2018 in Branson, Missouri at his residence. If you have any information to the whereabouts of Donald Kallsen, you’re urged to contact the Branson Police Department at 417-334-3300 or your local law enforcement agency. MISSING PERSON: Branson Police Ask for Help Finding Man Missing for Six Days