The case out of Dedham, Massachusetts, has turned into a yearslong whodunnit legal saga that has captivated true-crime fans across the country.

On Monday, a Massachusetts State Police sergeant who was one of the primary investigators into O’Keefe’s death wrapped up his testimony, which took three full days. Prosecutors will call their next witness when the trial resumes at 9 a.m. Tuesday.

Defense in Karen Read trial proposes that Boston Police Officer John O'Keefe's death might be linked to a "jealousy"-fueled fight with ATF agent Brian Higgins.

The protesters fighting the court’s buffer zone in the high-profile Karen Read case have scored a win in federal appeals court. The buffer zone around Norfolk Superior Court in Dedham was expanded for the Read retrial after jurors during the first trial reported that they could hear loud protesters during deliberations.

Yuri Bukhenik, a Massachusetts State Police trooper, read dozens of text messages between Karen Read and Brian Higgins, an ATF agent.

A Massachusetts State Police sergeant returned to the stand Monday to testify in the Karen Read murder retrial.Sgt. Yuriy Bukhenik is<a class="excerpt-read-more" href=" More

DEDHAM, Mass. (WLNE) — Testimony is postponed Tuesday in the Karen Read murder retrial. According to our Boston affiliate, WCVB, a court clerk said the trial was moved due to a health issue. WCVB reports that Massachusetts state police troopers were in position and waiting for the arrival of attorneys and witnesses for the usual 9 a.m. start.

Jurors sitting on the high-profile case became privy to a slew of text message exchanges that showed a flirtation between the woman charged with killing her boyfriend and an ATF agent who was a friend of the dead man,

Karen Read pleaded not guilty to murder charges in the death of Boston police officer John O’Keefe and is facing a retrial after a jury was unable to reach a verdict last year.