Federal Criminal Investigations: Targets, Subjects, and Witnesses

What the Justice Manual Says About Federal Prosecution

The U.S. Department of Justice publishes the Justice Manual, an internal guide that organizes how federal criminal cases are investigated, charged, and prosecuted. Title 9 of the Manual covers criminal matters, and section 9-27.000 is titled "Principles of Federal Prosecution." That section sits alongside a network of related provisions: 9-11.000 (Grand Jury), 9-13.000 (Obtaining Evidence), 9-19.000 (Documentary Material Held By Third Parties), 9-23.000 (Witness Immunity), and 9-28.000 (Principles of Federal Prosecution of Business Organizations). Together, these sections form the procedural skeleton within which a federal investigation moves from initial inquiry to, in some cases, indictment and trial.

Understanding where a person or entity falls within that skeleton—target, subject, or witness—is the first practical question anyone facing a federal inquiry should ask. The categories matter because they determine what the government may demand, what protections attach, and what the next procedural step looks like.

What the Government Must Prove

The Justice Manual's structure for federal prosecution (9-27.000 and its companion sections) indicates that before a case proceeds to indictment or trial, the government must establish several foundational matters:

  • Jurisdictional authority over the charged conduct, grounded in a specific federal statute (the Manual dedicates sections to mail and wire fraud under 9-43.000, the Computer Fraud and Abuse Act under 9-48.000, money laundering under 9-105.000, and the Hobbs Act at 18 U.S.C. § 1951 under 9-131.000, among others).
  • Compliance with grand jury procedure, as addressed in section 9-11.000, before a formal indictment issues.
  • Lawful obtaining of evidence, governed by the principles in section 9-13.000.
  • Proper handling of documentary material held by third parties, per section 9-19.000, including any third-party interests identified in section 9-114.000.
  • Appropriate treatment of witness status and any immunity considerations under section 9-23.000.

These are not a single checklist applied identically to every case; rather, they are the categories of requirements the Manual's architecture makes visible. A prosecutor must navigate each one as the investigation develops.

Targets, Subjects, and Witnesses: Three Tiers of Involvement

In federal practice, the people and entities a grand jury or investigative team touches fall into distinct tiers. A target is a person or organization against whom the government has focused its investigation with a view toward prosecution. A subject is someone whose conduct falls within the scope of the investigation but who has not yet been identified as a target. A witness is a person who possesses information relevant to the investigation but is not suspected of criminal conduct.

The tier a person occupies is not fixed. The Justice Manual's separate section on "Principles of Federal Prosecution of Business Organizations" (9-28.000) signals that corporate entities receive their own analytical treatment, distinct from individual targets. A business that is subpoenaed for records may be a witness to the investigation while its officers are subjects or targets. The Manual's structure treats these as separate questions, and the procedural consequences differ accordingly.

Grand Jury Subpoenas and the Right Against Self-Incrimination

Section 9-11.000 of the Justice Manual governs grand jury procedure. A grand jury subpoena is the primary tool by which the government compels the production of documents or the appearance of a witness. The subpoena does not, by itself, mean the recipient is accused of a crime; it means the grand jury needs information.

Where a subpoena reaches a person who may be a target or subject, the Fifth Amendment privilege against self-incrimination becomes central. In Garrity v. New Jersey, the Supreme Court held that a state government may not compel an employee to provide testimony that incriminates the employee and then use that testimony in a criminal prosecution. The principle—compelled self-incriminating statements cannot be used as the basis of a criminal case—remains a foundational limit on what the government may do with a witness's compelled answers. In the federal grand jury context, this principle interacts with the immunity framework the Manual addresses in section 9-23.000 (Witness Immunity).

If you receive a grand jury subpoena and you are uncertain whether you are a witness, a subject, or a target, the stage of the investigation determines what happens next. A witness who appears and testifies under a grant of immunity is in a fundamentally different procedural position from a target who is being asked to produce business records. The distinction is not merely academic; it shapes what the government can compel and what protections attach.

Business Subpoenas and Third-Party Documents

The search questions "business was subpoenaed" and "can a vendor subpoena broker logs or otherwise compel proof?" point to a recurring practical problem: a company receives a subpoena for records it holds on behalf of clients or counterparties. The Justice Manual addresses this in two places. Section 9-19.000, "Documentary Material Held By Third Parties," sets out the framework for how the government obtains records from entities that are not themselves the subject of the investigation. Section 9-114.000, "Third Party Interests," within the forfeiture and seizure provisions (9-111.000 through 9-121.000), recognizes that a party with a legitimate interest in seized or subpoenaed property may assert that interest.

A vendor, broker, or data intermediary that receives a subpoena is generally in the position of a third-party document custodian, not a witness to the underlying conduct. The Manual's separate treatment of third-party documentary material (9-19.000) from witness immunity (9-23.000) reflects that distinction. The vendor's obligation is to produce the records it holds; the vendor is not, by virtue of the subpoena alone, a subject or target of the investigation.

Timing and the Absence of a Fixed Pre-Charge Deadline

One question that frequently arises is whether there is a deadline before the government must file charges. The Justice Manual's structure does not impose a fixed pre-indictment deadline on the investigative phase. A grand jury can issue subpoenas, return records, and continue its inquiry over an extended period. What does exist is the Speedy Trial Act of 1974, referenced in section 9-17.000, which imposes timing requirements after an indictment or information is filed. Before that point, the government's investigative timeline is governed by the grand jury's own schedule and the applicable statute of limitations for the specific offense charged.

For example, the Manual's dedicated sections on mail and wire fraud (9-43.000), the Computer Fraud and Abuse Act (9-48.000), and money laundering (9-105.000) each correspond to statutes with their own limitation periods. The absence of a universal pre-charge deadline means that a person or business under investigation may wait months or longer before learning whether an indictment will issue.

What the Structure Tells You About Your Position

The Justice Manual's architecture—separate sections for grand jury procedure, evidence collection, third-party documents, witness immunity, and business-organization prosecution—exists to ensure that each tier of involvement receives the correct procedural treatment. A target is not a witness. A business subpoenaed for client records is not automatically a subject. A vendor compelled to produce logs is not the same as a person testifying under oath about their own conduct.

If you or your organization has been contacted by federal investigators, served with a subpoena, or asked to appear before a grand jury, the first step is to determine which tier of involvement applies and which of the Manual's sections governs the next step. The answer changes what you owe, what you may assert, and what the government may demand. The Manual's structure, from 9-11.000 through 9-28.000, maps those distinctions, and understanding them is the foundation for navigating the process.

Primary sources

This page is grounded in the following primary sources (links open the official text). See all explained statutes in the statutes quick reference.

Adjacent provisions this page touches (official text):

Cases that shaped this area

Decisions referenced on this page (public law):

  • Garrity v. New Jersey