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.
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.
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.