From Karen Read herself to the investigators to the experts, these people will be critical to Read's second trial.

Karen Read’s high-profile murder case heads to trial for a second time this month. Here’s a guide to who’s who.

Jury selection began Tuesday for the second murder trial of Karen Read, a Massachusetts woman accused of running over her boyfriend, a Boston police officer, after a night of drinking. Read was tried on charges of second-degree murder last year for the alleged killing of her 46-year-old partner,