If you're in Detroit, watch out for women packing pistols: 1 in 4 police officers in that metro area is female. Other similar â€œbet you didn't knowâ€? statistics can be found at The Sourcebook of Criminal Justice Statistics' Web site, assembled annually by the Hindelang Criminal Justice Research Center at the State University of New York at Albany. The site offers stats about law enforcement officers, offenders, arrests and judicial processes for all 50 states. More than 600 easy-to-read charts detail the demographics of lawbreakers and law enforcers, as well as crime rates and results of public opinion polls.