Mitch Silva News Today

Officials ought to talk to each other, because were on the same side of a lot of these important problems. >> right. but it seems to me the russians were trying to talk to the american authorities but werent getting very far. mitch silva, if it isnt the case of tamerlan tsarnaev going back home to dagestan, getting into bed with messy terrorist-related people, and then coming back with his new tricks and blowing up the marathon, if it turns out that he and his brother were self radicalized right...

Novice. >> no. i mean, piers, look, you dont set off that many explosions without having tested this stuff. its just a fact. you talk to anybody who deals with it. yes, you can make one bomb, you can blow up a toaster at home with a cell phone. yes. on and on and on. its all sort of hollywood fantasy. but when youre you said fire, a running gun battle and throwing explosives out of a car, lighting them with a cigarette lighter, with i dont know how they lit them. and these things go off, it just...

Getting very far. mitch silva, if it isnt the case of tamerlan tsarnaev going back home to dagestan, getting into bed with messy terrorist-related people, and then coming back with his new tricks and blowing up the marathon, if it turns out that he and his brother were self radicalized right in the middle of boston, what is that going to send as a message to the american people going forward? >> i think its a very disconcerting message. i think most americans, since 9/11, when they think of terr...

With a cell phone. yes. on and on and on. its all sort of hollywood fantasy. but when youre you said fire, a running gun battle and throwing explosives out of a car, lighting them with a cigarette lighter, with i dont know how they lit them. and these things go off, it just doesnt happen. unless youve had some sort of experience, or youve been in a combat area. the special forces will tell you that most people freeze when shooting starts. these people didnt. they ran, they moved. they evaded. th...

Al qaeda factor," mitch silva director for international peace and cnn contributor, bob baer. bob, let me come to you. we have talked almost every night about this. from the point of view of the fbi, perhaps, dropping the ball. now the cia appear to have also been warned about tamerlan tsarnaev. what do you read into this? has there been a fairly catastrophic intelligence failure here? >> its systemic, absolutely. there is no other way to describe it, as a failure. immigrations didnt tell the fb...

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The fsb, the svr, two main russian intelligence services, dont like the united states. they dont provide tactical intelligence. and when they do, you had better listen. this is not a case of politicized intelligence, which would have occurred if it was a chechen leader living in the united states. there are a couple or one in the gulf. yes, they do try to frame them. but simply a man of 26 years old, they had something firm in order to come to the united states. and that was ignored by the syste...

Dzhokhar tsarnaev indicates he and his brother were self radicalized jihadists. family members believe outside influences were to blame, including a mystery friend named misha. joining me now is author of "the al qaeda factor," mitch silva director for international peace and cnn contributor, bob baer. bob, let me come to you. we have talked almost every night about this. from the point of view of the fbi, perhaps, dropping the ball. now the cia appear to have also been warned about tamerlan tsa...

Dagestan? >> i think the last thing the russian authorities are likely to do at this point is to reveal whether its true or whether its simply speculation that something could have been done on their part to stop the attack. i think its much wiser from the russian perspective now to simply look forward and say, look, well help you unravel and investigate what actually happened. if that means theyve got to conceal opportunities they had they indeed missed or they intentionally suppressed, i think...

investigation. at the same time, were learning more about the older brothers trip back home. cnns nick payton pal walsh is in dagestan. and thousands attended the service of sean collier. and tonight some extraordinary scenes, incredible and deeply emotional sight, just a few feet from the marathon finishing line. a memorial to the victims, people leaving flowers and cards, stopping to pay tribute to the lives so brutally taken and so many who were so badly wounded. but were covering t...