i talked to the mayor after i had been told there was a breakthrough in the investigation and he wouldn t go that far but he did confirm it was the lord & taylor video. that his briefing from the boston police commissioner about what they called, other sources called a turning point. and he said they were making progress and he was hopeful that there would be a definitive breakthrough quite soon. that was where the mayor stopped. the governor will be here fairly soon. we ll talk to the governor as soon as he gets here. governor duval patrick. tom fuentes is the former fbi assistant director, a cnn analyst joining us right now. what are you hearing? you have good sources. what is the latest information you re getting ob the status, the state of this criminal investigation into these two bombings at the boston marathon that killed three people and injured nearly 200? hi, wolf. i think what it shows is that it requires a great deal of meticulous work to put this together and that work