the fbi hasn't found a link so far. agents first became interested in this man because they came up with leads that tamerlan and his younger brother knew the chechyan in orlando. now, the chechyan -- and he was granted political asylum here in 2008 used to live in boston just like the tsarnaev's did. agents were checking out anyone who knew the tsarnaev brothers. our cnn affiliate says the fbi looked at this apartment near boston, where todashev lived shortly after the marathon bombing and came up with other leads, including cell phone connections between tamerlan and the dead man in orlando. ashley banfield has been reporting on the massachusetts state police getting involved. >> is the fbi looking at the men in orlando and tamerlan tsarnaev for any links? >> we know that all three men checked out a martial arts website, an online forum. and so had a russian canadian