Unless there is an imminent threat to public safety, Department members will not move to disperse any large street gathering without the approval of
A supervisor from the district of occurrence and will request necessary additional personnel and support units.
Who can authorize the deployment of tire deflation devices?
An ON-SCENE Department member the rank of lieutenant or above
They act as the incident commander and manage the incident overall.
Tire deflation devices will not be deployed to detain:
- Any vehicle suspected of containing a hazardous material;
- Motorcycles, mopeds, bicycles, or other two- or three-wheeled vehicles;
- A passenger or school bus;
- Any articulated vehicles, such as vehicles towing trailers or semi-truck/trailer combinations.
“Drifting” means a driving technique in which the driver of a motor vehicle, in the absence of an emergency, either:
(1) causes the vehicle to spin, skid, slide, turn abruptly or sway upon acceleration or braking; or (2) uses or controls the vehicle’s throttle, brakes, clutch, gear shifting, steering input or other driving mechanisms, in any combination, to keep the vehicle in a state of oversteer while maneuvering the vehicle from turn to turn, or in circles, or in a figure eight,
Under no circumstances will tire deflation devices be:
1.In the immediate path of a rapidly approaching vehicle with the intent to cause the vehicle to be immediately stopped.
2. Motor Vehicle Pursuits
The Vehicle Pursuit Mitigation Pilot Program, which utilizes tire deflation devices (TDDs) to
Reduce the likelihood of vehicles fleeing and eluding during a lawful vehicular stop
The use of a TDD to detain a vehicle is considered a seizure under the Fourth Amendment.
Before a TDD is deployed, Department members must have reasonable articulable suspicion (RAS) or probable cause to believe that a person has committed, is committing, or is about to commit a crime or that a vehicle is subject to a lawful seizure.
