Who sabotaged Nordstream?

Who sabotaged Nordstream?

The reason I revert back to this question is because it keeps being suggested that Russia did it to themselves.  See the following video:

Who REALLY sabotaged the Nord Stream pipelines? (21 min)

Firstly, the helicopters appeared on the scene before not afterwards, secondly NATO had just finished conducting a Naval exercise in the area (Baltop), thirdly Sweden is refusing to share the findings of its investigation with Russia and fourthly a bomb was found near Nordstream1 in 2015.  I repeat my two tweets here:


My previous articles here:

Pipeline propaganda

Finally these important articles….see especially the excellent Mronline article (top tweet):