A snowy night, a cracked taillight and a mystery: How a police officer’s death divided a Boston suburb

​ The battered body of police officer John O’Keefe was found in a snowy suburban Boston yard in January 2022. Prosecutors believe he was left for dead after being struck by an SUV driven by his girlfriend, Karen Read. Her attorneys argue she’s being framed to protect the real killers. Read More Breaking News, Latest News and Videos | CNN