Former members : FBI uses ` ` triage '' approach in ruling out possible Russian links . What we know about Chechnya . Sen. Feinstein says the intelligence committee will hold a hearing as soon as possible . The FBI interviewed Tamerlan ##ov before he traveled to Russia last year . Some legislators question why Tsarnaev was n't questioned again on his return .
Former members : FBI uses ` ` triage '' approach in ruling out possible Russian links . Sen. Feinstein says the intelligence committee will hold a hearing as soon as possible . The FBI interviewed Tamerlan ##ov before he traveled to Russia last year . Some legislators question why Tsarnaev was n't questioned again on his return .