The US admitted to it. And Blinken has phoned his Ukrainian counterpart and talked about it.
Note to those who have the mental capacity to understand: 'unreliable' != 'always wrong'. Sorry if that causes you a discomfort by way of cognitive dissonance.
In this case mainstream media tried the hilarious 'parts made in Russia' jingle for a bit but it proved just a little bit to ridiculous. Worked on Twitchy or Suchshill or one of those guys though. I get them mixed up. Anyway, low-information/low-functioning people will bite on anything which looks like it may prove even remotely edible in their desperate hopefulness. The lamestream media knows this and exploit it.