The investigation is focused on his alleged attempts to secure Middle Eastern investments for Americore and other US ventures, the report said.
According to the report, Florida investigators are delving into Jim Biden's involvement in particular agreement and are scrutinizing loans Americore received from a fund managed by his associate. Last month, Jim Biden admitted to Congress that he played a role in arranging those loans.
Biden's legal representatives told Politico that the president's brother is not the subject of any ongoing investigations in either Florida or Pennsylvania, the report added.