Homeland Security: http://www.dhs.gov/index.shtm
FBI: http://www.fbi.gov/
National Center for Missing & Exploited Children: http://www.missingkids.como/
National Crime Prevention Council: http://www.ncpc.org/
ASIS International: http://www.asisonline.org/
International Association for Healthcare Security & Safety: http://www.iahss.org/
International Society of Crime Prevention Practitioners: http://www.iscpp.org/
International CPTED Association: http://www.cpted.net/
U.S. Customs & Border Protection: http://www.cbp.gov/
United States Secret Service: http://www.secretservice.gov/
National Fire Protection Association: http://www.nfpa.org/index.asp

Security Source Online: http://www.securitysourceonline.com
“Provides a forum where security problems can find security solutions.”

New Perspectives in Policing_ Crime and Policing Revisited
New Perspectives in Policing