washington fbi back cia view russia intervene help donald trump win u.s. presidential election two senior government officials tell reuters friday fbi cia office director national intelligence agree russia behind computer hack u.s. political institutions election officials say fbi originally decline endorse cia conclusion russia intervene specifically help trump washington post early friday report cia director john brennan circulate memo see u.s. officials say strong consensus among us scope nature intent russian interference presidential election fbi immediate comment fbi back cia assessment russian motives u.s. hack official