That's my understanding too. Although I believe that the US could ban those individuals from having immunity in the future and eject them from the country, which is certainly what I'd advocate for here.

There's a wiki article somewhere that was brought up when this discussion happened on reddit that states that members of security details aren't usually granted immunity, only consular officials are.

EDIT: I found it [0]

[0]: https://en.wikipedia.org/wiki/Diplomatic_immunity#Diplomatic...