Patrick v. Commissioner of Correction

By this petition for a writ of mandamus, the petitioner, a prisoner at the Massachusetts Correctional Institution at Walpole (Walpole), seeks to compel the Commissioner of Correction to credit to his term of imprisonment specified good conduct deductions as provided in G. L. c. 127, § 129, as amended.

The judge made findings and rulings of which the following is a summary. On June 14, 1963, the petitioner was convicted of the crime of armed robbery and sentenced to serve not less than five nor more than seven years at Walpole. Shortly thereafter he was transferred to the Massachusetts…