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.

Karen Read's second trial is underway in a Dedham, Massachusetts courtroom on Tuesday with jury selection, a process that is expected to take weeks. Read is accused of hitting and killing John O'Keefe with her SUV after a night of heavy drinking and leaving him to die in the snow outside a Canton home in January 2022.