Free web based service which allows the public to access and respond to missing adults, children, major crime and community security alerts which are created and distributed via the site by public safety agencies across the nation.

Search engine that crawls the web for law enforcement and crime related sites.

Australian based service provides a database of convicted criminals, con artists, frauds, scams, paedophiles, sex offenders, stolen property, missing persons, and unsolved crime.

Find stories from the FBI, CSI, and detectives. Includes amber alerts and high profile court cases.

Focuses on and aids law enforcement in the solving of unsolved homicides. Lists organizations, references, and news.

Web directory includes news, prevention, statistics, law, famous crimes, forensics, corrections, and victims' sites.

Features a message board where to post messages to help find missing persons and solve crimes.

Charity which aims to inform and educate about all aspects of crime and the criminal justice system. Houses a wealth of UK criminal justice links, events, and publications, including The British Journal of Criminology and CJM.

Large collection of public documents on crimes, celebrities, politicians, and the FBI.