now a cnn exclusive. biggest gun rights organization in the u.s. is apparently bracing for an investigation. the national rifle association, the nra, as it s called, faces scrutiny about its finances and ties to a russian banker and possibly ties to the trump campaign. our sara murray reports. reporter: the national rifle association is setting aside years of documents related to its interactions can with a kremlin inklinked banger. they re facing congressional scrutiny. a lifetime member of the nra and one of the prominent russian government officials the u.s. recently slapped with sanctions.