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xkcd #3131: Cesium
(imgs.xkcd.com)
Title text:
Someday I hope to find a way to mess up a recipe so badly that it draws the attention of the International Air Transport Association, the International Mathematical Olympiad, or the NSA.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3131/
That makes sense, but it's weird that the shipping containers were contaminated unless they were shipping nuclear waste or unsafe radiological sources...
Best guess I heard was broken medical equipment leaked cesium
Smuggling and clandestine military operations with zero regard for public safety are more common than you’d think, because when things go wrong nobody gets punished.
I'm sure they hosed it out before piping in the shrimp.