She also worked for UNESCO. Her having gone to LSE and SOAS doesn't indicate MI6 involvement in any way; that's a massive reach.

They probably know nothing about it. The genocide lovers most likely broke into a warehouse somewhere alng the route and swapped rigged ones in. Easiest way, fewest points of stress. How they knew about the shipment is a pretty trivial issue.

I doubt we'll see the actual details and will only get the legend.