April 15, 2013 3:24 pm Obama: “We Will Get to the Bottom of This” President Obama vows to bring those behind the Boston Marathon attacks to justice. The blasts left two dead and dozens injured at Boston Marathon finish line. US & World Videos 2:32 Bodies found in Mexico near where 3 surfers, 2 from San Diego, disappeared 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance 3:11 Ryan Gosling skips darker film roles because of Eva Mendes and daughters 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report)