What stories do the new evidence in Karen Read's trial tell?

After a day, and a week, heavy on forensic and physical evidence in the Karen Read trial, our experts had plenty of thoughts on what things like DNA found on John O'Keefe's shoe and the taillight of Read's SUV might mean to the jury — especially given how complex the science is compared to how simple TV shows can make it look. Plus, they look at why Judge Beverly Cannone is allowing a prosecution expert to slightly change their findings over the defense's objection, who took better advantage of the evidence this week and more.