THIS MONOGRAPH IS AN ATTEMPT TO INFORM PRIVATE SECURITY AND LAW ENFORCEMENT PERSONNEL OF THE STATUTORY SOURCES OF LEGAL AUTHORITY FOR AND LEGAL RESTRAINTS ON THE CONDUCT OF PRIVATE SECURITY PERSONNEL. THE LAW ASSOCIATED WITH THE SCOPE OF AUTHORITY OF PRIVATE SECURITY PERSONNEL IS EXAMINED, ALONG WITH THE MAJOR CATEGORIES AND CASES OF PRIVATE SECURITY LEGAL INVOLVEMENT IN CRIME PREVENTION AND REDUCTION. THE POSSIBLE LEGAL SOURCES (I.E., CONSTITUTIONAL, CRIMINAL, TORT, CONTRACT, AND REGULATORY LAWS) OF PRIVILEDGES AND IMMUNITIES FOR LAW ENFORCEMENT AND PRIVATE SECURITY PERSONNEL ARE REVIEWED, FOLLOWED BY A DISCUSSION AND ANALYSIS OF THE PROBLEMS OF LEGAL RESTRAINTS IMPOSED ON PRIVATE SECURITY PERSONNEL. THE ISSUES SELECTED FOR ANALYSIS INCLUDE ARREST AND DETENTION, FALSE IMPRISONMENT, SEARCH, INVESTIGATION AND INTERROGATION, USE OF FORCE, USE OF FIREARMS, INVASION OF PRIVACY, AND CHARACTER DEFAMATION. ALSO INCLUDED AS APPENDIXES ARE A SUMMARY OF PRIVATE SECURITY STATEWIDE LEGISLATION, A LISTING OF STATEWIDE PRIVATE SECURITY REGULATORY BOARDS AND AGENCIES, AND A STATE-BY-STATE LISTING OF PRIVATE SECURITY ARREST AUTHORITY. REFERENCES ARE FOOTNOTED. (AUTHOR ABSTRACT MODIFIED--KBL)