In re R.B.

**712In February, 2011, the petitioner was committed to the Massachusetts Treatment Center (treatment center) as a sexually dangerous person, pursuant to G. L. c. 123A, § 12. The following year, he filed a petition for examination and discharge. G. L. c. 123A, § 9. A jury found that the petitioner continued to be sexually dangerous, and an order entered continuing his commitment.

**713On appeal, the petitioner argues for the first time that the order of commitment should be reversed because a *680written report of a psychological examination conducted approximately twenty-four years before should…