It simply makes sense. The legislative oversight group known as the “Gang of Eight” want to see the documents confiscated by the DOJ National Security Division from the FBI raid on Trump’s Mar-a-Lago estate. The reason and motives are simple.
If Donald Trump has evidence of the corruption in the Trump-Russia collusion fabrication and targeting effort, there would be evidence of the Senate Select Committee on Intelligence (SSCI) participating in joint-effort with the DOJ and FBI. When the FBI launched their 2016 targeting operation against candidate Donald Trump, it was the SSCI who coordinated with them.

[Current 2022 Gang of Eight Group]
First the report from Politico:
The group of congressional leaders charged with reviewing the most sensitive intelligence information has asked the Biden administration for access to the documents seized from former President Donald Trump’s private residence in Florida, according to two people with direct knowledge of the request.
The inquiry from the so-called “Gang of 8” comes as lawmakers from both parties seek to learn more about the unprecedented investigation into the former president. And it suggests that Congress is unwilling to be a bystander in the political and legal fallout following the FBI’s Aug. 8 search of Trump’s Mar-a-Lago estate in Palm Beach, Fla.

It is important to remember, the presidential records act –the presented pretext for the document conflict– is not a criminal statute. An FBI raid cannot be predicated on a document conflict between the National Archives and a former president.
There is a common misconception about why the FBI and intelligence apparatus began investigating the political campaign of Donald Trump.