A Sedalia woman is dead after she allegedly threatened a Pettis Couty deputy at a traffic stop Saturday night. The State Highway Patrol is investigating the incident, which happened around 10pm near Highway 50 and Winchester Drive in Sedalia. The woman reportedly told the deputy she was armed and was going to shoot him. The incident escalated, and the deputy shot her. The woman has been identified as 25-year-old Hannah Fizer.