Unless specified otherwise by a supervisor; a pursuit should consist of no more than (3) vehicles. The primary unit, the lead unit in the pursuit, whose primary focus should be on driving; the secondary unit, the secondary unit in the pursuit, should focus on accurate radio callouts (I.E: Direction, street, landmark, or postal code: “Northbound Alta Street passing postal 370”); the tertiary unit should attempt to parallel the pursuit and prepare to regain visual (if lost) or deploy spike strips if requested by a supervisor.
Additional units may attach (up to 2, or several units equal to the number of occupants) if the fleeing vehicle begins operating their vehicle in a form that is dangerous to the general public or law enforcement. (Ramming law enforcement or shooting from the vehicle.)
While in a pursuit - if fired upon, officers are permitted to return fire in self-defense or the defense of another. Shooting at speeds over 100 mph is considered highly dangerous and should be avoided if possible.
Each pursuit is limited to the number of officers that can be present on the scene - please refer to "Officer Scene Limit."