The person who makes the statement shall at the same time produce the prisoner, if in his custody or power or under his restraint, according to the command of the writ, unless prevented by the illness or infirmity of the prisoner.
Mass. Gen. Laws ch. 248, § 12
Production of prisoner
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.