Jurors in Karen Read’s second murder trial traveled Friday to the site of John O’Keefe’s death in 2022. Read is accused of killing O’Keefe, her boyfriend and a Boston police officer, with her vehicle and leaving him in the snow outside a house in Canton,

Karen Read 's second murder trial is now underway. But this trial is not it for Read's legal troubles. Read, 45, is accused of killing her boyfriend, Braintree native and Boston police officer John O'Keefe outside a Canton home in January 2022. Read's first trial in O'Keefe's death ended in a mistrial in July.

A Canton firefighter testified Friday that Karen Read told him she was upset because her final conversation with John O'Keefe was an argument. Friday's proceedings ended for the day shortly after 1 p.