Haley's victory at least briefly halts Donald Trump's sweep of the GOP voting contests, although the former president is likely to pick up several hundred more delegates this week.
The Washington, D.C., region is home to about 400,000 federal employees, plus members of the military and government contractors. In a government shutdown, they face no pay and lots of uncertainty.
The notice from the Department of Justice gives Trump's lawyers a chance to argue against indictment. People who receive target letters are usually indicted, but not always.
Employers can still give drug tests or fire an employee if they are acting under federal guidelines, or if an employee consumed marijuana at work or while performing work-related duties.
Georgia officials and organizations have issued mixed reactions, from a strong condemnation by the Governor to silence in some cases, to Wednesday's siege of the U.S. Capitol by pro-Trump extremists.
After the president addressed the crowd gathered to protest President-elect Joe Biden's win, Trump supporters pushed past barriers onto the Capitol grounds.
"People work in the White House, and those people also shop at my grocery store and are out about town," said one resident. On Monday, there was an 81% increase in tests compared to a week ago.