"Johnny McEntee called in White House liaisons from cabinet agencies for an introductory meeting Thursday, in which he asked them to identify political appointees across the U.S. government who are believed to be anti-Trump, three sources familiar with the meeting tell Axios."

https://www.axios.com/scoop-white-house-personnel-chief-targets-never-trumpers-2ee51bfd-03f9-4971-8308-863c81ace5f0.html