prayed here. of course the mosque is their mosque. our technological work gives us operational information that abu dijon went there, met people, and agitated. not once but many times. there are reports he was observed at the mosque and observed meeting tsarnaev. do you know this? translator: i really can t answer this. for different reasons i can t answer. you understand me? nick payton walsh joins us live now from dagestan. is it possible that tamerlan tsarnaev was linked to these insurgents in dagestan? it s entirely possible. they were in the same city at the same time. tamerlan tsarnaev linked to a video of abu dijon from his
in the region. now u.s. authorities want to know what bombing suspect tamerlan tsarnaev was doing there last year and who he may have met with. during the six-month trip he took outside the united states. our nick peyton walsh reports. reporter: this is dagestani militant abu dijon in a video one of the alleged boston bombers tamerlan tsarnaev post owned his youtube channel. russian special forces killed abu dijon during a shootout last december in dagestan and we don t know if they ever met but dagestani police have revealed to cnn the small time militant ran training camps for bomb making that foreigners came to. police gave us images of his group training in the woods. this one explains how to mix and prepare home made explosives almost anywhere. and the group s pictures suggest they learned to use a mobile phone as a detonator. the local police chief who
0 mad at me the cruiser is a little damaged. i said, sarnlg, you kidding me? they re going to be writing about you in the textbooks. that was brilliant under a very difficult situation to be able to think that through and do that. reporter: drew griffin, cnn, watertown, massachusetts. tears for the victims, serious questions for the feds. i m jake tapper and this is the lead. we now know the suspected mas r er mind of the boston terrorist attacks was on two separate terrorist data bases lawmakers demanding to know why red flakes did not fly sooner. also how the movie theater massacre in aurora, colorado saved lives in boston. the unexpected connection between the two tragedies. and they were, quote, twisted, perverted, cowardly knock off jihadis. those were the vice president s words today describing the accused boston bombers. did he reveal too much by speaking from the gut? a final good-bye to a fallen officer. the final life claimed in a rampage of terror. once again we re
0 lead. i now leave you in the able hands of my friend and colleague wolf blitzer who is right this minute in the situation room. thanks very much. happening now a cnn exclusive. we re learning about a secret bomb making camp attended by foreigners in dagestan and the shadowy militant who may have influenced a visitor from boston. but would the bombing suspect tamerlan tsarnaev radicalized by a friend back home? right here in massachusetts we re looking into the mysterious man accused of brain washing him. you ll hear the vice president of the united states joe biden eloquent talking about the loss at a memorial service for a murdered police officer. and scornful of what he calls two cowardly, knock off jihadis. i m wolf blitzer in boston. here are the latest developments of the boston bombings. no cause of death found yet for the alleged bomber tamerlan tsarnaev. the body remains in the custody of the state s chief medical examiner. the suspect s mother says burial has been arran