April 30, 2024 5:22 pm First responders testify in Karen Read murder trial Jurors in the Karen Read murder trial heard testimony Tuesday from first responders who were called to the scene of the death of Boston Police Officer John O’Keefe. US & World Videos 3:55 Tech Tuesday: Google Scam Call Detection 2:36 Key witness takes stand in Karen Read murder trial 0:20 President Biden to visit Boston, NH Tuesday 2:14 Karen Read trial: Jennifer McCabe returns to the stand Tuesday 2:06 Man allegedly attacks neighbor with knife in Worcester