A US spy ghoul did this in the UK when she ran someone over, fled the country claiming diplomatic immunity and they won't send her to serve her sentence.

https://en.wikipedia.org/wiki/Death_of_Harry_Dunn#:~:text=The%20collision%20caused%20diplomatic%20tension,Harry%20Dunn%20by%20careless%20driving.

This is actually not uncommon. Because americans can't drive for shit.

Mr Sieger, who lives near the military base, claimed that road incidents involving US citizens “happen all the time” – and pointed to remarks in the Commons in 1983 by Conservative MP David Mellor, who warned of 2,000 US servicemen having been convicted for traffic offences in the previous year alone.