St. Louis radio personality Nan Wyatt, co-host of the morning drive show on KMOX, has been shot to death at her St. Louis County home. Police say the 44-year-old Wyatt was shot and killed early Tuesday evening. They responded to her home after receiving a phone call. Wyatt’s husband was questioned by police later in the evening. Wyatt is survived by her husband and a 7-year-old son.