The judge in the Karen Read case will allow a defense witness to testify that she believes John O'Keefe was attacked by a dog.

The judge in the Karen Read case ruled Monday that the defense can call its expert in dog bites at the Mansfield woman's upcoming retrial.

While she said Dr. Marie Russell's eligibility as an expert witness was a “close question,” Judge Beverly Cannone will allow the retired physician to take the stand. The post Karen Read’s dog bite expert will be allowed to testify at retrial,