dr. ron daly. thanks for being with us. >> thanks for having me. >>> it is one of the hardest thing to get in the mind now that they have done this of the question now is what will police do to make sure justice is served. they said justice is served now. >> tonight our nation is in debt to the people of boston and the people of massachusetts. after a vicious attack on their city. bostonians responded with resolve and determination. they did their part as citizens and partners in this investigation. boston police and state police and local police across the commonwealth of massachusetts responded with professionalism and bravery over five long days. tonight because of their determined efforts we have closed an important chapter in this tragedy. >> after a five-day manhunt the search is over for two suspects accused of setting off explosives, the finish line of monday's boston marathon. one suspect killed by police in a firefight last night. the other injured in that same shootout. he is in the hosp