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.

Read's lawyers say John O’Keefe was beaten, bitten by a dog, then left outside a home in Canton in a conspiracy orchestrated by the police that included planting evidence against Read.

“As it stands now, no competent defense counsel would call Mr. Proctor,” Jack Lu, a retired superior court judge, said in an interview before Read’s defense rested this week. “He has the ability to eviscerate the defense but without him they have a path to victory.”

Karen Read is charged with second-degree murder, manslaughter and leaving the scene of a crime in the death of John O'Keefe.

For weeks, all appearances were that prosecutors would call witnesses as part of a brief rebuttal case in the Karen Read retrial, giving them the opportunity to get the last word after damaging testimony from expert witnesses for the defense.

Lawyers in the second murder trial of Karen Read have begun their closing arguments after weeks of testimony. The highly divisive case has hinged on the prosecution's theory of jaded

Karen Read tells reporters she didn't notice tensions between John O'Keefe and Brian Higgins at the Waterfall Bar and Grille shortly before O'Keefe's death.