Testimony in Karen Read's murder retrial is back on Wednesday following an unexpected day off due to unspecified health reasons.

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

Dedham Superior Court officials blame ‘unavoidable circumstances’ for the cancellation in testimony in the sensational retrial of Read in Massachusetts, which is in its fourth week

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.

The Karen Read murder trial was postponed on Tuesday due to "unavoidable circumstances," according to a court spokesperson. The message did not provide details on those circumstances. Testimony in the Karen Read murder trial continues on Tuesday. Live coverage of the Karen Read murder trial.

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

"Please be advised that the trial in Commonwealth v. Karen Read is not taking place today due to unavoidable circumstances," Massachusetts state courts spokeswoman Jennifer Donahue wrote in a statement to the Boston Herald on Tuesday morning. No further explanation for the day off was provided.

Karen Read’s murder trial was abruptly paused on May 13 due to “unavoidable circumstances,” delaying day 15 of testimony. She’s accused of killing Boston officer John O’Keefe with her SUV, a charge she denies,

Former federal prosecutor Neama Rahmanni delivers the latest from the trial of Karen Read.

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.