Boston December 13, 2023 7:12 am FBI warns of increased risk of violence this holiday season The FBI and Homeland Security warmed on Tuesday of an increased threat for violence in large crowds and religious gatherings. US & World Videos 2:09 Salem sets noise limit during Halloween season, spooking tour guides 0:51 Father arrested after kidnapping 18-month-old son, police say 1:01 Healey breaks logjam to save Nibi the beaver 1:52 Dockworkers reach agreement with ports to end strike 20:20 What Karen Read's appeals, Michael Proctor's texts and a new prosecutor mean for the next trial