The Manhattan district attorney’s office subpoenaed documents from an investment company that loaned the Trump Organization millions of dollars for its Chicago skyscraper in a sign that the investigation into the former president’s finances continues to expand, according to people familiar with the investigation.The Manhattan district attorney’s office subpoenaed documents from an investment company that loaned the Trump Organization millions of dollars for its Chicago skyscraper in a sign that the investigation into the former president’s finances continues to expand, according to people familiar with the investigation.