unbelievably. >> reporter: more pieces fit together in a telephone interview wolf blitzer did with the brother-in-law of the two suspects. he said he'd met misha twice, introduced to him by tamerlan. he didn't witness misha actually turning tamerlan into a radical islamist. >> but he certainly did have influence and did teach him things that would make tamerlan go away from the people and go more into the religion. maybe it's possible that he suggested to him some radical ideas. >> he said tamerlan tsarnaev had told him he'd quit boxing and listening to mainstream music because misha taught him that in islam it's not good those things. asked suspected misha was a terrorist group. >> i didn't suspect him in terror group or having terrorist ideas, but i know that they had