• Canadian Solicitor General's Policing Page
• COPNET
• FBI's Law Enforcement Bulletin
• Governer's Office of Emergency Services
• Law Enforcement Product News
• National Law Enforcement and Corrections Technology Center
• National Sheriffs' Association
• Northwestern University's Traffic Institute
• Orange County, CA Sheriff's Dept.
• Palo Alto Police Department
• Police Training Institute
• policeemployment.com