http://www.corpsdiplomatique.cd/VIENNA_CONVENTION_1961_ON_DI...
Article 29
The person of a diplomatic agent shall be inviolable. He
shall not be liable to any form of arrest or detention. The
receiving State shall treat him with due respect and shall
take all appropriate steps to prevent any attack on his
person, freedom or dignity.
You can disagree with our participation in the treaty, but it’s what we’ve got!