For the second time in a week, Judge Beverly Cannone denied Karen Read's attorneys' request for a mistrial after they accused the prosecution of misconduct.

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.

An ARCCA crash reconstruction expert was back on the stand Wednesday in the Karen Read murder retrial.Dr. Andrew Rentschler testified about<a class="excerpt-read-more" href=" More

Karen Read's defense could rest its case on Wednesday after biomechanist Andrew Rentschler from ARCCA is expected to complete his testimony inside Norfolk Superior Court in Dedham, Massachusetts. Rentschler testified that John O'Keefe's injuries were not consistent with being hit by a vehicle.

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.