FORMER U.S. President Donald Trump yesterday criticized the federal investigation into Rudy Giuliani and said he had no idea what U.S. agents were looking for when they searched his former personal lawyer's Manhattan apartment and office. Federal prosecutors have been investigating Giuliani for nearly 1-1/2 years, including a 2019 grand jury subpoena seen by Reuters for his financial records as part of an inquiry into possible money laundering, wire fraud, campaign finance violations, making false statements and obstruction of justice, in addition to foreign agent allegations. Giuliani, the former mayor of New York City, once led the Southern District of…