BRATTLEBORO — The crime began and ended Monday. The court arraignment concluded Tuesday. But for residents shocked by this week’s violent death of a local social worker, questions linger. “There’s a wish we have when the unthinkable and tragic happens like this — to find a simple answer,” said Kurt White, vice president of outpatient programs at the state’s largest psychiatric hospital, the Brattleboro Retreat. “But this is not really that kind of thing. These are complicated and complex problems, and there are not simple answers.” And so, many southeastern Vermonters are struggling to process the death of Leah Rosin-Pritchard,...