I'm Allison Kamerata.

This is CNN Tonight.

A week after the removal of 11 sets of classified documents from Mar-a-Lago, some of them labeled

top secret, tonight there is more intrigue about exactly what information was being stored

in Donald Trump's basement and why.

The Department of Justice says it opposes the release of the affidavit behind the search

warrant.

That's the document where prosecutors lay out in detail.

There are probable cause to believe a crime was committed and why they thought they would

find evidence at the former president's home.

In a new filing, the DOJ writes, quote, disclosure at this juncture of the affidavit supporting

probable cause would cause significant and irreparable damage to this ongoing criminal investigation.

It contains highly sensitive information about witnesses, specific investigative techniques,

and information required by law to be kept under seal.

If disclosed, the affidavit would serve as a road map to the government's ongoing investigation.

Okay, that's new information.

There are three key takeaways in this filing.

Number one, they say there's an ongoing criminal investigation.

In other words, this is more than just a retrieval of sensitive documents.

Number two, they say, quote, revelation of witness identities would impact their willingness

to cooperate with the investigation.

That means that someone, more than one person, is cooperating with the DOJ.

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