Parents, teachers and other guardians who are concerned about the safety of their children can often reduce the risks their children face by educating themselves as to where sexual predators and criminals reside in their neighborhoods. Registered sex offenders are listed in a national and/or state database, available to the public online, as well as on criminal background check websites. Listings usually include their full name and home address, letting parents type in their zip code and find out which homes in their neighborhood conceal potential threats to their children. Here are 12 different online tools that can be used to search for sexual predators in your area.