Volodymyr Zhukovskyy, 23, was arrested on Monday by Massachusetts police at his home in West Springfield for the negligent homicide of seven motorcyclists in Randolph, New Hampshire, last Friday night. Seven bikers were killed, and three others injured when his pickup truck and attached trailer plowed into the motorcycles traveling in the opposite direction on Route 2. According to local media, he has two prior DUI arrests, including one conviction in 2013, which led to his license being suspended for 210 days because he was tagged as “an immediate threat.”...