Finding Marathon Bomber Could Take Months

Presidential advisor and former counter-terrorism official Dick Clarke discusses the bombing.
02:20 | 04/16/2013

Transcript for Finding Marathon Bomber Could Take Months

Bring in Richard Clarke now the head of counterterrorism for presidents Clinton and bush and on ABC news consultant Richard you were there for Waco you're there for Oklahoma City. How much how much... See More
This transcript has been automatically generated and may not be 100% accurate.
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