Officer O’Donnell began his Law Enforcement career with the Princeton (MN) PD in 2001 before joining Castle Rock PD in 2008. He has been assigned to the Community Response Team since 2019, where he and his partners, a mental health clinician and a therapy canine named Buddy, help those in mental health crisis. At CRPD, he instructs numerous topics, he is a member of the Douglas County Regional SWAT Team, and board member of the Rocky Mountain Tactical Team Association (RMTTA) and the Colorado Co-Responder Alliance (COCRA).