Boston lawyer Kevin Barron has been acquitted of a charge that he tried to smuggle heroin into a Massachusetts state prison.

Boston lawyer Kevin Barron has been acquitted of a charge that he tried to smuggle heroin into a Massachusetts state prison.Judge Janet Sanders ruled Barron did not know there was heroin hidden in a package he was carrying into the prison, the Boston Globe reports.In June, the mother of a prison inmate pleaded guilty to inserting the heroin into holes in a legal brief contained in the package.“I am innocent, and I would like to regain what was once a good reputation,’’ Barron said told the Globe.