Karen Read murder trial taking longer than expected after 3 weeks, nearly 40 witnesses CBS BostonFourth week of testimony in Karen Read trial begins Tuesday. Here’s what we’ve learned so far NBC Boston‘Polished, assertive, on the attack’: What to know about Karen Read’s trial style Boston.comJennifer McCabe’s ‘how long to die in cold’ search key as Week 4 of Karen Read murder trial starts Boston HeraldHere’s what has happened so far in the Karen Read murder trial CBS Boston