Chase Edmunds was a police officer with the Metro Police Department's Emergency Response Team before joining the CTU Washington/Baltimore Domestic Unit. He has won honors in the MPDC SWAT Competition Tactical Shooting events and commendations in weapons knowledge and field reconnaissance.

He is also a graduate of the Special Forces Operations Training Course. After working at CTU Washington/Baltimore for a time, Chase worked undercover for D.C. Chase prior to being assigned to the CTU Los Angeles Domestic Unit worked as a Field Operations agent under CTU Field Ops Director Jack Bauer.