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.

On the eve of the Karen Read retrial, Judge Beverly Cannone handed down rulings related to jurors and a defense expert for the heavily scrutinized Canton murder case.

After hours of thorough questioning on Tuesday, one juror has been seated for the second Karen Read trial, and 17 have been called to be questioned by the judge and lawyers for both sides.