Graphic content warningBoston Police Officer John O'Keefe's 2022 death could have been the result of a violent love triangle involving an ATF agent and his girlfriend, suspected killer Karen Read, who began texting each other just weeks before he was last seen alive,

Karen Read is again standing trial for allegedly killing her boyfriend in Canton three years ago in a crime saga that has captured national attention. We broke it all down.

The conclusions of the medical examiner who performed John O’Keefe’s autopsy left more questions than answers, which both the prosecution and Karen Read’s defense team seized on to promote

John O’Keefe died from falling backwards and hitting his head on frozen ground, according to a Yale-educated brain surgeon who testified Wednesday in the murder trial of Karen Read.

An expert testifying for the prosecution faced sharp questioning about his education and methodology on Monday in the Karen Read retrial.

Jurors sitting on the high-profile case became privy to a slew of text message exchanges that showed a flirtation between the woman charged with killing her boyfriend and an ATF agent who was a friend of the dead man,

Karen Read's lawyers say she was framed for the death of her boyfriend, John O'Keefe, in a conspiracy devised by Massachusetts cops.

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.