The defense in Karen Read's second murder trial continued to question their list of witnesses Monday, ranging from former police officers to a dog bite expert.

Read, 45, is accused of fatally striking her boyfriend, Boston Police Officer John O’Keefe, 46, with her SUV and leaving him to die in the snow outside another officer’s home after dropping him off at a party in January 2022. Her lawyers say she was framed in a police conspiracy and that someone inside the house killed him.

A mistrial was declared last year. Read’s second trial for second-degree murder, manslaughter and leaving the scene outside Boston has so far followed similar contours to the first.

Testy exchange between the defense and a witness

Former Canton police officer Kelly Dever was working patrol the night O’Keefe d

See Full Page