United States v. Hubbell

The two questions presented concern the scope of a witness’ protection against compelled self-incrimination: (1) whether the Fifth Amendment privilege1 protects a *30witness from being compelled to disclose the existence of incriminating documents that the Government is unatile to describe with reasonable particularity; and (2) if the witness produces such documents pursuant to a grant of immunity, whether 18 U. S. C. § 6002 prevents the Government from using them to prepare criminal charges against him.2

I

This proceeding arises out of the second prosecution of respondent, Webster Hubbell,…