| crimedoctor.com | Home Security Burglary Prevention |
| fbi.gov | Federal Bureau of Investigation |
| self-defender.net | Self-Defense Zone |
| safecampusesnow.org | Safe Campuses Now |
| protectivestrategies.com | Protective Strategies |
| nononsenseselfdefense.com | No Nonsense Self-defense |
| howstuffworks.com | How Stuff Works: How Dye Packs Work |
| crimestoppersmostwanted.com | Crime Stoppers Most Wanted |
| typepad.com | Home Security News |
| uwe.ac.uk | International Learning and Information Network for Crime Prevention and Communit |
| univie.ac.at | www.ifs.univie.ac.at/ |
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