Sergeant Katherine Mattern began her career with the Papillion Police Department in 2002. She spent nine years on Road Patrol, five years in Investigations, and one year in Police Training and Accreditation before being promoted in 2017. She currently serves as Sergeant of the Crime Prevention Unit, which is comprised of our four School Resource Officers, a DARE Officer, a Training Coordinator, and a Community Liaison. Sergeant Mattern is our CALEA Accreditation Manager, ensuring adherence to international police standards. She has served the department as a Use of Force Instructor, Field Training Officer, Patrol Rifle Officer, and as a Negotiator on the South Metro SWAT team. Sergeant Mattern has her Bachelors of Science degree in Strengths-Based Management from Bellevue University. While off duty, she enjoys time with family, remodeling, golf, travel, and is an avid Dallas Cowboys fan.