The past several decades have resulted in an explosion of knowledge ab
out the development of young children, knowledge that is often underus
ed in the policy-making process. This paper reviews established risk f
actors for later delinquency and violence that are present prior to sc
hool age. The results suggest that established population-based effort
s in education and health should be expanded, in anticipation of reduc
ing violent behavior. More intensive intervention efforts that provide
a continuum of services for children and families during a vulnerable
development period also are warranted. New research directions also a
re described.