A broken taillight. A dead cop. A bombshell admission. The jury is now deliberating over whether Karen Read killed John O'Keefe.

Karen Read's defense concluded with expert witness Dr. Andrew Rentschler testifying that Boston cop John O'Keefe's injuries were inconsistent with being struck by Read's SUV.

A new court filing by Karen Read’s defense team could indicate she will not testify in her retrial for the January 2022 killing of her boyfriend, Boston police officer John O’Keefe, as questions swirl about whether she will take the stand in the case’s waning days.