In 1997, diplomats from georgia and zaire were prosecuted by the united states and france, respectively, when those diplomats killed children by driving recklessly. these are examples of exceptions to

Diplomatic immunity
This is a privilege of exemption from certain laws and taxes granted to diplomats by the state in which they are working. Usually, under normal circumstances, diplomats are mostly expelled,in case they break certain laws, to the exception of first degree mistakes such as murder.