READ: Adam Schiff's letter to intel agencies on review of Russia probe

(CNN)House Intelligence Chairman Adam Schiff demanded on Friday that intelligence agencies keep him updated on the review Attorney General William Barr is conducting of the origins of the FBI investigation into the 2016 Trump campaign and Russia.

Read the letter below to Director of National Intelligence Daniel Coats (identical letters were sent to FBI Director Christopher Wray, CIA Director Gina Haspel and National Security Agency Director Paul Nakasone):