I actually overheard this rumour in lefty bar chatter tonight, and sought out reporting on this when I got home. Aside from the Financial Times possibly mixing up SF from SOF, most media sources seem to agree on the basics.
https://www.ft.com/content/8527aa60-...b-c88452263daf
https://www.nytimes.com/2017/01/29/w...tion.html?_r=0
https://www.theguardian.com/world/20...d-us-commandos
(Regarding "The Guardian", I can't help but smell Russian active measures whenever I read their copy.)