Newly revealed documents and interviews with former Justice Department officials indicate that the investigation into the Clinton Foundation, focused on its interactions with foreign donors during Hillary Clinton’s tenure as secretary of state, remained open for the majority of President Donald Trump’s administration.

The case was eventually closed just days before Trump left office, as detailed in closing documents obtained through a Freedom of Information Act lawsuit, the New York Timesreportedon Monday.

The investigation, which had been a subject of intense scrutiny and campaign promises by Trump to “lock her up,” continued despite FBI agents and prosecutors leading it to a dead end. The prolonged investigation became a rallying cry for Republicans who anticipated finding evidence of corruption that would harm Clinton’s political prospects.

The scrutiny of the Clinton Foundation began in 2015 after the publication of “Clinton Cash: The Untold Story of How and Why Foreign Governments…