A prosecutor's investigative role, responsibilities and potential liability are different from the prosecutor's role and responsibilities as a courtroom advocate. These Standards are intended as a guide to conduct for a prosecutor actively engaged in a criminal investigation or performing a legally mandated investigative responsibility, e.g., serving as legal advisor to an investigative grand jury or as an applicant for a warrant to intercept communications. These Standards are intended to supplement the Prosecution Function Standards, not to supplant them. These Standards may not be applicable to a prosecutor serving in a minor supporting role to an investigation undertaken and directed by law enforcement agents.