Family members of marathon bombing victims, Martin Richard, Krystle Campbell and Lu Lingzi are joined by Massachusetts Gov. Deval Patrick, left, and Boston Mayor Martin Walsh, right, during a wreath laying ceremony to commemorate the one year anniversary of the Boston Marathon bombings, Tuesday, April 15, 2014, in Boston. (AP Photo/The Boston Globe, Wendy Maeda)  BOSTON HERALD OUT, QUINCY OUT; NO SALES

AP

Family members of marathon bombing victims, Martin Richard, Krystle Campbell and Lu Lingzi are joined by Massachusetts Gov. Deval Patrick, left, and Boston Mayor Martin Walsh, right, during a wreath laying ceremony to commemorate the one year anniversary of the Boston Marathon bombings, Tuesday, April 15, 2014, in Boston. (AP Photo/The Boston Globe, Wendy Maeda) BOSTON HERALD OUT, QUINCY OUT; NO SALES