Core group of 8 will not allow the Department of Justice (DOJ) and the FBI to view the Memo documents,even though they have demanded access.

House Republicans are clamoring for the release of a classified memo that they say provides shocking new information about the FBI’s investigation into possible cooperation between the Trump campaign and Russia.
The four-page House Intelligence Committee memo was written by Chairman Devin Nunes (R-Calif.) and his staff and is said to detail allegations that the FBI abused its surveillance powers.
The document has sparked a frenzy, even spawning a Twitter hashtag, #releasethememo.
Here’s what you need to know about the memo.
an even smaller group of lawmakers have the security clearance to view the highly classified materials that support the conclusions draw in the memo. Only a core group of congressional leaders known as the Gang of Eight, which includes Nunes and Rep. Adam Schiff (D-Calif.), can view the underlying intelligence information.
h/t Goneviral