a new critic has been finding fault with malaysian investigation of flight 370, interpol, international police agency. cnn's senior international correspondent nic robertson. >> reporter: three weeks ago these two iranians traveling on stolen passports triggered interpol's investigation of flight 370's passengers. now in a statement surprising for its frankness, the international forces lambasting malaysian officials for lax controls. the truth is in 2014, prior to tragic disappearance of flight 370, malaysian immigration department did not conduct a single check of passengers passports against interpol's database. the agency said in a statement. they are not alone in their criticism. >> the idea that somehow governments adopt want to query