Massachusetts September 18, 2020 4:54 pm Contact Tracing on College Campuses Thousands of students are back on college campuses in Massachusetts, where officials are dealing with the challenges of tracing COVID-19 cases. US & World Videos 1:56 20-year-old killed, teen critically hurt in Northbridge double stabbing 1:50 Man found shot to death in Taunton shed 1:43 Authorities respond to incident in Northbridge 0:49 Bowling alley reopens 6 months after mass shootings in Lewiston, Maine 2:27 Mother speaks out after school shooting threat in Milton
