. And other investigators are still trying to track the $4.8 billion the International Monetary Fund loaned Russia in July 1998, in its bizarre and futile effort to prop up the ruble.

The Swiss, of course, are looking for violations of Swiss law, not of Russian. Even so, the Kremlin’s stone wall tries legendary Swiss patience. Over the weekend, the Swiss prosecutor’s office released a statement that to restore the “atmosphere of trust necessary for successful international cooperation,” Russian authorities need to demonstrate “the will to use material collected in Switzerland in criminal cases.” So far, Russia shows less will than won’t.