Officials criticized by Trump said they were preparing for a variety of scenarios, including the possibility of arrest.
Members of Congress and other U.S. government officials said they were taking extraordinary precautions for themselves and their families.
They are preparing for a possible detention and arrest after Trump returns to the White House, the Guardian reports.
Two Democratic members of the House of Representatives who have criticized Trump do not rule out sham investigations and tax audits by the president-elect's team.
Officials are considering legal protection from the US Department of Justice, raids and arrests.
During the election campaign, Trump repeatedly mentioned the same names of officials on social media and said they should be arrested for treason and other crimes.
New York Democratic Congressman Dan Goldman believes the list of different ways Trump could retaliate is virtually endless.
It is emphasized that those whose names were included on the target lists moved money, protected assets from confiscation, hired security guards and prepared safe houses.
