Searches of US President Joe Biden's private homes and offices continue. This time the US Federal Police FBI took on the beach house Bidens in the state of Delaware. "Today, with the full support and cooperation of the President, the Justice Department is conducting a planned search of his home in Rehoboth, Delaware," Biden's private attorney Bob Bauer said Wednesday.

This is "another step in a careful and expeditious" investigation by the US Department of Justice, "which we will continue to fully support and facilitate," the attorney said.

In recent months, classified documents have been found in a former Biden office and in the President's home in Wilmington, Delaware on the US east coast. The documents date from his time as Vice President under President Barack Obama (2009 to 2017) and from his earlier time as a US Senator.

The US Department of Justice has appointed a special prosecutor to investigate the case. The affair is extremely explosive for Biden, who wants to decide on a renewed presidential candidacy in the coming weeks or months - partly because of the parallels to his predecessor Donald Trump.

FBI agents had already searched Trump's Mar-a-Lago estate in the state of Florida last August and confiscated numerous secret documents. In this case, a special prosecutor was appointed in November. However, there are major differences between the two cases. Biden claims that, unlike Trump, he has cooperated with the US judiciary from the start.

A US law requires presidents and vice presidents to turn over all their emails, letters and other documents to the National Archives after leaving office. Just last week it became known that secret files had also been discovered in the house of Trump's former Vice President Mike Pence.