Norfolk Superior Court Judge Beverly Cannone is sitting tight on deciding whether Karen Read’s defense can use its preferred dog bite expert in her second trial scheduled to begin in April. After yet another marathon hearing to determine the fate of Dr.

Dr. Marie Russell previously testified that the holes found in John O’Keefe’s hoodie and the wounds to his arm were from a dog.

Prosecutors in the Karen Read case will seek an order barring two experts who told jurors that her boyfriend’s injuries weren’t consistent with being hit by a vehicle from testifying at the retrial this spring,

Prosecutors in the Karen Read case are asking a judge to exclude testimony from the defense team's digital expert, Richard Green.

A dog bite expert was back on the stand Tuesday morning as the high-profile Karen Read murder case returned to court for another pre-retrial hearing.

The Karen Read case continued with Dr. Marie Russell on the stand. The defense wants her to be an expert witness again on dog bites.

A defense expert in the Karen Read case spent hours on the stand Tuesday explaining and defending her work on dog bite analysis ahead of Read’s second trial later this year. Read is accused of hitting her Boston police officer boyfriend John O’Keefe with her SUV and leaving him to die in the snow in Canton,