Justice Department is sending additional prosecutors to states with high numbers of overdose deaths from the synthetic opioid.
Attorney General Jeff Sessions said much of $2 billion in false billings tied to opioid epidemic.
How an idea considered excessive became a harsh attempt at border deterrence.
Law enforcement officials are using statutes that were once rarely employed, treating overdose deaths as homicides and seizing enormous quantities of the drug.
The act of clemency is the latest in a string from the president, and aides say more pardons could be on the way.
Those who know him say the attorney general is motivated to make his vision of America a reality, cracking down on illegal immigration and violent crime in particular.
The drug wholesaler accused the DEA of using faulty methodology in suspending shipments.
The former acting attorney general says she has no plans to seek elected office.
The Department of Homeland Security now will refer all cases of illegal crossings to federal prosecutors.
The fate of the news channel, oft criticized by President Trump, remains the most explosive element of the proposed acquisition.