Aside from the war crime of attacking survivors of a shipwreck, we must now add the war crime of perfidy.

https://www.nytimes.com/2026/01/12/us/politics/us-boat-attacks-law.html?unlocked_article_code=1.EFA.7xgP.qIPINOLUNg8W [gift link]

Perfidy is considered a serious crime in war because, among other things, using civilian cover for offensive missions casts suspicion on all civilians in the theatre, putting non-combatants at risk.