ATF: Bureau of Alcohol, Tobacco, Firearms, and Explosives
Bureau of Justice Statistics
Criminal Justice Profiles: Career and Job Search Guide
DNA Forensics
FBI: Federal Bureau of Investigation
Federal Bureau of Investigation (Reports and Publications) Includes Uniform Crime Reports
NACJD: National Archive of Criminal Justice Data
National Criminal Justice Reference Service
National Drug Intelligence Center Achive
National Institute of Justice
Supreme Court of the United States
U.S. Department of Justice
U.S. Drug Enforcement Administration (DEA)
U.S. Marshals Service
Uniform Crime Reports
Academy of Criminal Justice Sciences (ACJS)
American Association of Police Polygraphists (AAPP)
American Society of Criminology (ASC)
National Association of Chiefs of Police (NACOP)
National Black Police Association (NBPA)
National Police Accountability Project (NPAP)
Always evaluate your sources - what Google considers to be scholarly may not be considered scholarly by your professor.