Special prosecutor Hank Brennan went on the attack Tuesday as defense dog bite expert Dr. Marie Russell returned to the stand ...

Karen Read's attorney asked for a mistrial with prejudice, accusing the prosecution of acting improperly, but the request was ...

Karen Read's defense team asked the presiding judge to declare a mistrial after prosecutors mentioned dog DNA.

Dr. Marie Russell, a Los Angeles-based doctor who believes the injuries on John O'Keefe's right arm came from a dog and not ...

Karen Read is accused of killing her Boston police officer boyfriend. Her defense says she was framed. A dog is at the heart of their case.