are out of control. For example, Human Rights Watch states, "Allegations of police abuse are rife in cities throughout the country and take many forms." Whether measured by use-of-force reports, citizen complaints, victim surveys, or observational methods, the data consistently indicate that only a small percentage of police-public interactions involve the use of force. Expanding and contracting definitions of "police-public" interactions also work to affect use-of-force rates but in an opposite way from definitions of force. Broad definitions of police-public "interactions," such as calls for service, which capture variegated requests for assistance, lead to low rates of use of force. Conversely, narrow definitions of police-public interactions, such as arrests, which concentrate squarely on suspects, lead to higher rates ...