Federal prosecutors in Manhattan are investigating whether President Trump’s 2017 inaugural committee misspent some of the record $107 million it raised from donations, people familiar with the matter said. The criminal probe by the Manhattan U.S. attorney’s office, which is in its early stages, also is examining whether some of the committee’s top donors gave money in exchange for access to the incoming Trump administration, policy concessions or to influence official administration positions, some of the people said. Giving money in exchange for political favors could run afoul of federal corruption laws. Diverting funds from the organization, which was registered...