The prosecution in the second trial of Karen Read rested Thursday after about a month of testimony spotlighting evidence from the scene and witnesses who heard the defendant repeatedly say ''I hit him'' in reference to the killing of her Boston police officer boyfriend.

Karen Read’s defense is set to call its first witness on Friday, marking a new phase in her retrial in the killing of John O’Keefe, her off-duty Boston police officer boyfriend whose body was found buried in the snow outside a home in Canton,