Yuri Bukhenik, lawyers, including WBZ's legal analyst Katherine Loftus, became increasingly skeptical that prosecutors might not call key witnesses in their case against Karen Read. Those witnesses are Brian Higgins,

Proceedings in the retrial of Karen Read are being suspended Tuesday due to “unavoidable circumstances,” court officials said. “Please be advised that the trial in Commonwealth v. Karen Read is not taking place today due to unavoidable circumstances,” the Trial Court said in a statement.

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.