Chief of Staff Susie Wiles, President Donald Trump’s closest aide, and FBI Director Kash Patel helped personally orchestrate a sprawling investigation last week at the White House aimed at determining who in the government leaked information about the security deficiencies of a Qatari-gifted airplane meant to be used as Air Force One – with some officials being asked to turn over their phones to investigators on White House grounds, sources familiar with the matter told CNN.

Trump had fumed over disclosures about the new plane, sources said, and his government quickly stood up an intense leak probe that roiled the government. As the investigation unfolded, at least one federal agency emailed employees warning that if they were contacted by outside agencies requesting information and devices, they needed to immediately contact their own agency’s attorneys, one source told CNN.

The sources said Patel — who had been preparing to travel to Chicago — was diverted to the White House on Friday to take a hands-on role in running the probe, which became public early the next morning when the New York Times reported that the Justice Department had issued subpoenas to four of its journalists who reported on security concerns surrounding the new plane.