Karen Read trial: Crime lab expert testifies blood evidence was never tested

A forensic scientist from the Massachusetts State Police Crime Lab revealed during Karen Read's murder trial that evidence collected in red Solo cups was never tested in the death of her Boston police officer boyfriend, John O'Keefe.

Testimony Wednesday came from O'Keefe's niece, whom he was caring for after her parents died within months of one another, as well as forensic experts involved in the search for Read's Lexus SUV and crime lab testing.

Maureen Hartnett of the Massachusetts...