July 1, 2022 2:44 pm Meet Mass. State Police's Robot Version of a Bomb-Sniffing Dog Roscoe, a Massachusetts State Police robotic dog, is part of the team keeping the Boston Pops Fourth of July Spectacular safe this year. US & World Videos 0:23 Skeleton sculpture in Cambridge honors Dia De Los Muertos 0:57 Thousands participate in Greater Boston Walk to End Alzheimer's 1:19 Patriots fans react to Sunday's win over Jets, Drake Maye injury 0:22 Bianca Beltran hosts HopeWell's 60th anniversary gala 2:18 Owners of historic Concord road fight to keep land private