On what grounds?!
This is a total infringement on our rights and liberties.
From the State dept memo:
Description of Sanctions: Pursuant to the Chemical and Biological Weapons Control and Warfare Elimination Act of 1991 (the CBW Act), the United States will impose a second round of sanctions on the Russian Federation over its use of a “Novichok” nerve agent in the August 2020 poisoning of Russian opposition figure Aleksey Navalny.