The Pony Express was provided for the fastest mail delivery between St. Joseph, Missouri, and Sacramento, California. The other reason was for a publicity stunt. The Pony Express took place on April 3, 1860 it officially ceased on October 26, 1861 it lasted 19 months.
Captain John J. Fitzsimmons. Commanding Officer. The Detective Division manages and oversees all aspects of criminal investigation. Interfacing with other municipal, county, state, and federal agencies when needed these specialists conduct undercover operations, surveillance, interviews and interrogation, and collect and process evidence.
Division of Criminal Investigation. Welcome to the DCI Website. As you look through the sections that describe the duties of the Division of Criminal Investigation, you will notice that we are very busy working in the background to keep South Dakota citizens safe.