This paper provides a broad overview of legal and social service responses to child sexual abuse, the overarching legal framework provided by federal legislation, and funding mandates and the unique and shared investigative concerns of law enforcement and child protective service entities. Relevant psychological research is highlighted throughout, including research on investigator training, forensic interviewing techniques, children's suggestibility, jurors' perceptions of child witnesses, and courtroom accommodations for child witnesses. (Contains 1 figure.)