Who Are the Boston Marathon Bombing Suspects? Published February 28, 2014 • Updated on February 28, 2014 at 7:01 am (NECN) - A day after one suspect was killed and another captured, the world is learning more about exactly who Tamerlan and Dzhokhar Tsarnaev are. NECN's Alison King takes a closer look. Copyright NECNMIGR - NECN