66 Sioux Falls, SD January 16, 2024 Brian Keith Karlson, age 66, of Sioux Falls, passed away on Tuesday, January 16, 2024, at the Avera Heart Hospital in Sioux Falls. Funeral services were held on Tuesday, January 23, 2024, at the East Nidaros Lutheran Church, rural Baltic. Interment was in in the church cemetery. Brian…