EVERETT, MASS. (WHDH) - A 27-year-old man from Chelsea will be arraigned Thursday on murder and firearm charges in connection with a 2015 cold case<a class="excerpt-read-more" href="https://whdh.com/news/chelsea-man-to-be-arraigned-in-connection-with-2015-everett-cold-case/">Read More</a>