April Chapman began her law enforcement career in 1972, as a cadet with the Sonoma County Sheriff's Department. In 1976, she became a Police Officer with the City of Petaluma for two years. In 1978, she returned to the Sonoma County Sheriff's Office where she remained for 10 years as a Deputy Sheriff and as a Detective in the Violent Crimes Division. In 1988, she started her career as a District Attorney Investigator and retired in January 2007 as the Sergeant in Charge of the Northern California Computer Crimes Task Force. She began teaching at the Santa Rosa Junior College Public Safety Training Center in 1984, providing instruction in a variety of law enforcement programs and topics.
April earned a bachelor's degree from St. Mary's College and a master's degree from Sonoma State University. She is also a graduate of the POST Master Instructor Program