United States December 5, 2018 11:22 pm Arson Investigation in Brockton Police are asking for the public’s help to identify an arson suspect accused of lighting the mayor of Brockton’s mayor’s car on fire. US & World Videos 2:31 Fallen Billerica Police Sgt. Ian Taylor honored at vigil 2:39 MIT president calls for shutdown of student encampments 0:16 4 people seriously hurt after boat sinks off Cape Cod 2:35 Fallen Billerica police sergeant honored during vigil 2:09 President of MIT calls for shutting down pro-Palestinian encampments