Matthews v. D'Arcy

*1022We have repeatedly held that relief under G. L. c. 211, § 3, is properly denied where there are routes other than c. 211, § 3, by which the petitioning party may adequately seek relief. Greco v. Plymouth Sav. Bank, 423 Mass. 1019 (1996). Martineau v. Department of Correction, 423 Mass. 1007 (1996). Maza v. Commonwealth, 423 Mass. 1006 (1996). We have also held that it is the petitioning party’s burden to demonstrate the absence or inadequacy of other remedies. Hines v. Commonwealth, 423 Mass. 1004 (1996). McGuinness v. Commonwealth, 420 Mass. 495, 497 (1995). Dunbrack v. Commonwealth, 398…