Mass. Gen. Laws ch. 276, § 20H: Inquiry into guilt or innocence

Section 20H. The guilt or innocence of the accused as to the crime of which he is charged may not be inquired into by the governor, or in any proceeding after the demand for interstate rendition accompanied by a charge of crime in legal form as provided in section fourteen shall have been presented to the governor, except as it may be involved in identifying the person held as the person charged with the crime.