Norfolk Superior Court Judge Beverly Cannone has been sued for reinstating a buffer zone, limiting Karen Read supporters from demonstrating outside the Dedham courthouse.

At the center of the trial is Superior Court Judge Beverly J. Cannone, who also presided over last year's proceedings. A longtime judge for Massachusetts' Superior Court, Cannone is a South Shore native who was once a public defender. Here's what to know about her.

DEDHAM, Mass. — Four Massachusetts residents are suing Judge Beverly Cannone over her decision to reinstate a 200-foot buffer zone outside Dedham’s Norfolk Superior Court for the retrial of Karen Read, arguing that their “constitutional guarantees” to protest have been violated.