New secret government data were discovered by US Vice President Joe Biden staff at a second location, causing further political humiliation for the White House.
Mr. Biden’s private office in Washington, DC, where the first stash was discovered, served as his home base after he left the vice presidency.
The U.S. Department of Justice is currently looking into the case.
Former President Trump is the subject of a criminal investigation into allegations that he improperly handled highly sensitive information.
On Wednesday, details about when and where the new batch of information was discovered by Biden aides were still sketchy.
About ten of the documents were first found in November at the Penn Biden Center, a think tank close to the White House, but they have only recently come to light.
It has been stated that among those documents are US intelligence memoranda and briefing materials pertaining to Ukraine, Iran, and the United Kingdom.
There has been no word from the White House about the newly discovered cache. However, the BBC’s US partner CBS and other US media have corroborated the discovery.
During her regular press briefing on Wednesday, Biden’s press secretary Karine Jean-Pierre dodged questions regarding the initial data dump.
They are looking into it at the Justice Department, she said. Nothing I say will add anything new to what the president said the day before.
Mr. Biden stated on Tuesday that he was “surprised” by the discovery of the data and was “cooperating” with the justice department’s probe.
It comes as the Democratic president comes under more scrutiny from the new Republican majority in the US House of Representatives, which explains the current debate.
James Comer, the new chairman of the House Oversight Committee, stated on Wednesday, “Now that Democrats no longer have one-party dominance in Washington, oversight and accountability are coming.”
There will be investigations into the president and his family from the committee, and they will demand that the White House hand over any and all conversations pertaining to the sensitive papers.
After an administration leaves office, all records, even secret ones, must be transferred to the US National Archives.
According to the White House, as soon as Mr. Biden’s attorneys found the classified files at the think tank, they notified the archives and the agency removed them the following morning.
More than 10,000 files that Trump had failed to give over to the National Archives were discovered during an August 2018 FBI raid on the Florida residence of Mr. Biden’s predecessor.
Before the FBI came up at Mar-a-Lago, a subpoena had been issued by the justice department demanding the return of the classified documents.
Federal officials were able to collect over 300 classified documents, including 18 marked top secret, from a Palm Beach country club.