5:00 a.m. here on the u.s. east coast. it is the memo in a everyothat talking about. and does it discredit the russia investigation? congressional supporters of the u.s. president are being accused of trying to do just that. they allege that the fbi improperly targeted for surveillance a former trump campaign adviser. >> the contents of the controversial memo are highly disputed. critics say it only on shows part of the picture. and misrepresents the testimony of former fbi deputy director andrew mccabe. here is more now from jim sciutto in washington. >> i think it is terrible. >> reporter: the president and republicans leveling a new broad side at the fbi. with a four page memo alleging the bureau abused its surveillance authority in seeking a warrant to monitor carter page during the 2016