[01100011]

That area of the ocean is probably one of the most heavily surveilled areas in the world. Intelligence agencies absolutely know the ships involved.

I still maintain it could have been anyone with about $300k. Work class ROVs capable of planting the explosives at that depth are commonplace in underwater construction and maintenance.

[Dah00n]

The German intelligence services has the ship involved and found explosive residue. As far as I remember it was linked to a Ukrainian business some time back but it could have been anyone of course.

https://www.reuters.com/world/europe/germany-tells-un-nord-s...

Edit: I didn't read the link posted above but I see it states the same as me. Nothing to see here.

[FirmwareBurner]

300k ROVs still need a mother ship and pretty sure navies and intelligence agencies know which ships go where and when.

[01100011]

That's what I'm saying. That's the point of the first paragraph.