A Massachusetts jury has begun deliberating in Karen Read's second murder trial over the killing of her police officer boyfriend.

Lawyers in Karen Read’s murder retrial to give closing arguments. Read, 45, is accused of fatally striking her boyfriend, Boston police officer John O’Keefe, 46, w

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.