ABA Criminal Justice Section
Association of Federal Defense Attorneys
Bureau of Justice Statistics
Criminal Justice Law Links
Criminal Law Materials from LII
Criminal Law News
Criminal Law Resources on the Internet - Worldwide
Criminal Procedure Materials from LII
Death Penalty Information Center - DPIC
FBI Law Enforcement Bulletin
LPIG.org - Criminal Justice Links
National Association of Criminal Defense Lawyers
Prison Legal News
Sourcebook of Criminal Justice Statistics
State by State Death Penalty Information from the DPIC
Title 18, U.S. Code - Criminal Law and Procedure

Government Agencies:

ATF
Bureau of Justice Statistics
Federal Judicial Center
Financial Crimes Enforcement Network (FinCEN)
Office of National Drug Control Policy
Dept. of Justice
DEA
FBI
Federal Bureau of Prisons
Texas State Prison System Directory - Texas Department of Criminal Justice list of prison addresses alphabetized by TDCJ unit's city location.
U.S. Marshals Service
U.S. Parole Commission
U.S. Sentencing Commission