You can arrest their bank accounts, and have their children living in the West left penniless on the streets.
This is my biggest outrage with Western demeanor.
They will sanction a country to the neck, babble strong, and mighty on TV about commitment to anti-corruption, and then...... they invite all these rotten part-time billionaire government employees, and their spawn to hide their stolen money, and live happy, and merrily in their Mayfairs, and Rivieras, spending their honestly stolen billions.