The constitutional and statutory safeguards against a person being twice placed in jeopardy for the same offense are well known both to laymen and lawyers alike. What has gone largely unnoticed by the Virginia courts is the applicability of the doctrine of res judicata to the area of criminal law. It is the purpose of this comment to make the reader aware of the doctrine of res judicata as it applies to criminal cases and to attempt to clear up the confusion which has developed in this area of Virginia law.