Police controlled antecedents which significantly elevate prosecution and conviction rates in domestic violence cases

Abstract

Logistic regression was used to assess five different police actions that an investigating police officer can choose to employ when handling a domestic violence call. Each significantly increases the likelihood the prosecutor will file charges: obtain photographs (60 percent); find and arrest the defendant (94 percent); obtain an emergency protective order (87 percent); locate additional witnesses (68 percent); and list more than one criminal charge in the police report (284 percent). Three optional police actions increase the likelihood of criminal conviction: find and arrest the defendant (78 percent); obtain an emergency protective order (102 percent); list more than one charge (142 percent). Survival analysis shows a sixth action, completing the investigation the same day, to significantly increase rates of criminal case filing and also rates of criminal conviction. A strong case, best practices model for the investigation of domestic violence incidents was validated and is presented. Police discretion is discussed. Lawmakers should consider making these optional investigative actions mandatory.

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