QUINCY, MASS. (WHDH) - The last at-large co-defendant in a shooting in Quincy last year that claimed the life of a 17-year-old Weymouth High School<a class="excerpt-read-more" href="https://whdh.com/news/da-final-suspect-set-to-be-arraigned-in-murder-of-17-year-old-weymouth-hs-student/">Read More</a>