Officer Involved Shootings

Although no national or standard definition exists, an officer involved shooting (OIS) may be defined as the discharge of a firearm, which may include accidental and intentional discharges, by a police officer, whether on or off duty.

In some cases OIS datasets only include instances in which an officer discharged a firearm at a person as opposed to a vehicle, animal, etc.

Learn more about OIS Data

The International Association of Chiefs of Police’s (IACP’s) Model Policy covering officer involved shootings defines officer involved shootings as “A discharge of a service weapon by an officer during a hostile encounter or an accidental discharge, while on-duty or off-duty, irrespective of injuries to suspects, officers, or third parties.”1

“When criminal justice data is of good quality and made available, good things can come of it.” – The benefits of criminal justice data: Beyond policing, Sunlight Foundation

Available Datasets


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1 Officer Involved Shootings Model Policy. (n.d.). Retrieved May 5, 2015, from