Sophia Bush has offered rare insight over the years into her difficult experience on the set of Chicago P.D. — including the alleged abuse that led to her shocking exit. Bush played detective Erin Lindsay on four seasons of the Chicago Fire spinoff before her surprise decision to depart in 2017. She later hinted at a toxic set and abusive behavior from a costar, whom she didn’t name. “I don’t have to give everyone the specific breakdown of exactly why I left until I’m ready to do that. But, the overarching theme for me was that I landed my dream job. I landed this job that,...