Tamerlan Tsarnaev was in possible terrorists database for two years
The FBI conducted a checking of him back in 2011 and found nothing suspicious.
According to Associated Press, Tamerlan Tsarnaev has been in the possible terrorists database since then.
Brothers Dzhokhar and Tamerlan Tsarnaevs are suspected of organization and conducting of explosions in Boston right after the marathon on April 15. 3 people died then and 183 were injured. Tamerlan was wounded by police during the arrest and died in hospital.
