violation. the third man, robel filipphil is an american citizen. he is as shocked by the violence as the rest of the community is. he did not know this individual was involved in a bombing. my client, azamat tazhayakov is as shocked and concerned that someone he knew was involved with the boston marathon bombing. he has cooperated fully with authorities and looks forward to the truth coming out. reporter: and interesting to note, christine and john, that according to authorities, one month before the marathon, tsavraev apparently told two of his friends over lunch that he knew how to make a bomb and that in the criminal complaint, it says one of the now suspects saw vaseline in tsavraev s dorm room after the attack and he knew then that the vaseline was used to make a bomb, we spoke to bomb