Reports on the impact of the Minneapolis (Minnesota) Police Experiment, which indicated that a policy of mandatory or presumptive arrest was a deterrent to domestic violence. Discusses how police departments began to adopt this approach. Recommends that arrest be one of several control methods used in domestic violence cases. (CFR)

Reports on a study of 110 Detroit (Michigan) domestic assault cases to determine whether victim preference about arrest of the assailant had an impact on police behavior and the recurrence of violence. Finds that mandatory arrest policies reduces police discretion and ignores victim preference. (CFR)