Law

The John D. and Catherine T. MacArthur Foundation
Juvenile Justice
The Foundation supports research, model programs, policy analysis, and public education related to juvenile justice. The goal of the JUVENILE JUSTICE GRANT is to promote an effective juvenile justice system that is linked to relevant agencies, is acknowledged to play a critical role in the community, and is held accountable for public safety and the rehabilitation of young offenders.

http://www.macfound.org/site/c.lkLXJ8MQKrH/b.943483/k.9F5C/
Domestic_Grantmaking__Juvenile_Justice__Grantmaking_Guidelines.htm

National Science Foundation
Law and Social Science
The LAW AND SOCIAL SCIENCE PROGRAM at the National Science Foundation supports social scientific studies of law and law-like systems of rules, institutions, processes, and behaviors. These can include, but are not limited to, research designed to enhance the scientific understanding of the impact of law; human behavior and interactions as these relate to law; the dynamics of legal decision making; and the nature, sources, and consequences of variations and changes in legal institutions.

http://www.nsf.gov/funding/pgm_summ.jsp?pims_id=5422