The ongoing trial is Read’s second; her first murder trial ended in a high-profile mistrial last July after jurors returned deadlocked. Abby Patkin is a general assignment news reporter whose work touches on public transit, crime, health, and everything in between. She has been covering the Karen Read murder case.

Canton Fire Department paramedic Timothy Nuttall shows how to do a Carotid Pulse at Karen Read's second murder trial at Norfolk Superior Court on Tuesday, April 22, 2025 in Dedham, Mass. Photo by Stuart Cahill/The Boston Herald via AP, Pool

Prosecutors say Read deliberately hit O’Keefe, 46, in a drunken rage. Her lawyers say she was framed for O’Keefe’s death in an elaborate conspiracy devised by Massachusetts police officers. Read's first trial ended in a hung jury in 2024.

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.

A number of key witnesses have yet to take the stand in the high-profile case, on topics ranging from DNA evidence to data from Read’s car.

Footage shows 'Turtleboy' blogger Aidan Kearney yelling and gesturing at a surveillance camera in a pizza shop owned by Karen Read trial witnesses.

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.

Video played for jurors in the Karen Read trial shows Brian Higgins at the Canton police station on the night John O'Keefe died, Massachusetts State Police Sgt. Yuri Bukhenik testified.

Yuri Bukhenik, a key investigator in the Karen Read case, finished his testimony Monday after three tense days on the witness stand, including nearly two full days of cross-examination.