Abortion
National Abortion and Reproductive Rights Action League(NARAL)
National Right to Life Committee


Capital Punishment
ACLU (American Civil Liberties Union)
Death Penalty Information Center
Legal Information Institute: US Death Penalty Law  (US statutory, constitutional, & case law relating to capital punishment.)


Crime
Bureau of Justice Statistics
Department of Justice: Office for Victims of Crime
Justice Informational Center  (Extensive source of information on criminal and juvenile justice.)


Domestic Abuse
Department of Justice: Violence Against Women Office
Domestic Violence Handbook  (Domestic violence: the legal definition, myths, facts, the cycles, violence wheel, etc.)


Drugs & Alcohol
Bureau of Justice Statistics
Bureau of Alcohol, Tobacco, and Firearm
HabitSmart  (Information about addictive behavior & tips for managing it.)
National Center for Tobacco-Free Kids
The National Institute of Alcohol Abuse and Alcoholism


Euthanasia
Euthanasia.com  (Euthanasia, physician assisted suicide, living wills, and mercy killings.)


Gun Control
American Civil Liberties Union
Bureau of Alcohol, Tobacco, and Firearms
Handgun Control  (Organization that lobbys for common sense gun regulations at both the state and national level.)
The National Rifle Association of America


Human Rights
Human Rights Library
Human Rights Watch


Violence in Schools
Center for the Prevention of School Violence
National Crime Prevention Council
Net Link: School Violence  (A hotlist of school violence related websites.)