ANTHONY J. DEW vs. COMMONWEALTH.

Anthony Dew pleaded guilty in the Superior Court to multiple counts of trafficking of a person for sexual servitude, in violation of G. L. c. 265, § 50 (a); assault and battery with a dangerous weapon, in violation of G. L. c. 265, § 15A (b); drug distribution, in violation of G. L. c. 94C, §§ 32 (a) and 32A (a); and other charges. He subsequently filed a motion for a new trial, seeking to withdraw his pleas. In connection with that motion, he filed several additional motions seeking postconviction discovery, appointment of counsel, judicial notice, and a writ of habeas corpus ad testificandum, all of which were denied. He then filed a petition in the county court for relief under G. L. c. 211, § 3, seeking review of the Superior Court judge's orders on the latter motions. A single justice of this court denied the petition without a hearing. Dew appeals. We affirm.

Our power of general superintendence under G. L. c. 211, § 3, is reserved for extraordinary circumstances, where a petitioner demonstrates both a substantial violation of a substantive right and the absence of an adequate alternative remedy. See Watson v. Walker, 447 Mass. 1014, 1014 (2006). Relief is properly denied where, as here, the petitioner has an adequate alternative avenue to seek review. See Tavares v. Commonwealth, 478 Mass. 1024, 1024 (2018). "An established route for the petitioner to obtain appellate review of the denial of his motion for postconviction discovery [and the other motions ancillary to his motion for a new trial] would be in connection with an appeal from the denial of his motion for a new trial." Donald v. Commonwealth, 437 Mass. 1007, 1007 (2002). [Note 1] The single justice therefore neither erred nor abused his discretion in denying the petition under G. L. c. 211, § 3.

Judgment affirmed.

The case was submitted on the papers filed, accompanied by a memorandum of law.

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Anthony J. Dew, pro se.