Charlie Cooper writing for Politico EU identifies four different possible perpetrators of the NordStream II pipeline explosions: Russians, British, Americans, and Ukrainians. He surveys the field and concludes that at this point we have no strong data pointing to any of them.
Presumably if it were any of the first three, the actors would be governmental agents acting at the direction of their government. No such allegation is made in the Ukraine case, where freelancers could be a possibility.
Most sources appear to believe Seymour Hersh was taken in by a conspiracy theorist, who 'sold' him the "U.S. did it" theory. I think it is amazing that six months later we have no realistic idea of the perps' identity.
