Bring bombers to justice

FBI officials don’t know who was behind Monday’s bombings at the Boston Marathon. They have made an appeal for amateur video and photos that might yield clues to the attack, which killed three people and wounded more than 170. “We will go to the ends of the Earth to identify the subject or subjects who are responsible for this despicable crime, and we will do everything we can to bring them to justice,” said Richard DesLauriers of the FBI. Go get them.