If she thinks that will get her a “free ride” back to the US, she is mistaken. Any “ambassador” can be refused entry......
Exactly. It is a process called “Agreement.” With her criminal record, the US can refuse to admit and acredit her. I doubt the Mexican government would be so foolish as to try it.
Let’s just cut to the chase and declare her persona non grata now,might save the Mexicans a little embarrassment.