It could not conclude whether criminals or victims are most served by lighting. U.S. Justice Dept. study. Spotting an opportunity, committing a crime, and making an escape all require light. A May 13 Chicago Tribune article questioned that city's indiscriminate use of glaring street lighting. Chicagoan's fear is understandable considering the city's horrendous murder rate.
Fear can effect judgement.
The normal level of muggings, violence, fights, burglary and robbery have just not happened. Maybe the best anecdotal evidence comes from right here. For three years running Indianapolis has set new records for its number of outdoor lights, and murders. There is a critical difference between real protection and the perception of protection from crime. A false sense of security can lead to a lack of prudent caution.