I don't accuse the US of inventing this nor claim that it only happens here. I just don't agree with the program and this tragedy is an illustration of why.

If you don't take time to read the entire post cited by simon, at least read this excerpt:

When you remove the threat of the possibility of prosecution for crimes in a foreign land and then send that person to the foreign land, you create an extremely tantalizing situation. In theory, a person with diplomatic immunity is still under the jurisdiction of their home land's laws and in some cases, emissaries who have broken the law in a host country are tried in their home countries for the crime. In practice, though, people with diplomatic immunity exist in a lawless state. Technically they can be arrested and detained for a crime, but under diplomatic immunity the courts of the host county have no jurisdiction to prosecute them and so charges would inevitably be dropped. (This still today includes the accrual of debts, j