The US federal prosecutor had a 2021 recording of the former President Trump and acknowledged that he retained a confidential document of the Pentagon after leaving the White House, which involves the attack that may be launched on Iran.

CNN's report on Wednesday (May 31) mentioned that he had not heard of this recording, but quoted the description of multiple sources of unknown sources.According to reports, this recording shows that Trump, who is seeking the Republican president in 2024, knew that he retained confidential materials after leaving the White House in 2021.

Two sources told CNN that Trump's speech showed that he wanted to share the information, but he knew that the ability to decrypt the documents after the steplier was restricted.Trump has denied improper behavior.A Trump representative was unwilling to comment on the recording or published a specific remarks of Trump, saying that the investigation was due to political motivation.

Trump's spokesman said on Wednesday: "The leakage of the radical party behind this political persecution aims to intensify the tension and allow the media to continue to harass President Trump and his supporters."

The US Department of Justice is investigating whether Trump's reserved behavior recorded by the US government after leaving in January 2021 is illegal, and some of them are marked as the highest secret.The official disclosed in August that it is investigating Trump's deletion of the White House records because it believes that Trump illegally holds documents, including some documents involving intelligence collection and secret manpower-Essence

The investigation by Smith, a special advisor to the US Department of Justice, includes whether Trump or his associates obstruct the Department of Justice's investigation by the retaining government records, of which about 300 records are marked as confidential.Smith is also investigating the loss of Trump's 2020 election. These behaviors eventually led to a fatal attack on the US Congress Building on January 6, 2021.