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Medford and Somerville police line the street outside St. Joseph's Church in Medford, Mass. Monday, April 22, 2013 for the funeral of Boston Marathon bomb victim Krystle Campbell, 29. (AP Photo/Elise Amendola)

Boston deals with aftermath

Two bomb explosions killed three and injured more than 140 at the Boston Marathon, April 15. The bombs left a city forever changed, and people putting the pieces back together after the brutal chapter comes to a close.