who will live in our memories forever. krystle marie campbell martin richard, sean collier and lingzi lu and for the 17 who lost limbs during the marathon bombing and all the other victims and survivors who still cope with injury with loss and are still healing as well as our hearts should be with this great city of boston. after two years of investigating this case and 12 weeks of trial it is time to turn the page in this chapter. i want to briefly acknowledge the hard working commitment of the investigateorsinvestigators, the prosecutors and the victim witness advocates in this case in particular assistant u.s. attorneys william weinreb, alshack ravardi, mr. paligrini