Examines criminal and civil investigation and litigation under the federal and state statutes on Racketeer Influenced and Corrupt Organizations (RICO). Specific topics addressed include the conceptual bases of so-called enterprise liability, including relational rather than individual definitions of misconduct; the relationships among enterprise liability and related doctrines, such as conspiracy, complicity, and vicarious liability; procedural implications of enterprise liability, such as broad joinder of claims and parties, expanded admissibility of evidence, and complication of pretrial and trial proceedings; the extraordinary civil and criminal remedies provided for RICO violations; and the impact of wide use of these statutes.