Prosecutor's office representative Henri Della Casa confirmed Friday's report in the Tribune de Geneve, saying the shredded notes were once worth a huge number of euros altogether.
Security camera footage led investigators to the two Spanish women. Later, "a lawyer representing the people who flushed the notes came by and compensated them" for the cost of plumbing repairs, Derouand said.
We're expecting the owner is flush with money whoever it is (yes, we couldn't resist).
"This is a unusual story", he said. UBS also declined to comment on the incident at its branch on the Rue de la Corraterie in downtown Geneva.
Derouand did not discuss the identity of the suspects, but the paper said they were two Spanish women who had stashed the money in a safe.
There was no immediate reason to think it was dirty money, he said.
The possibility of money laundering is only heightened when you consider that the €500 notes are due to be withdrawn by the European Central Bank next year due to fears that they are being used most often for illegal activities. The bills appeared to have been cut with scissors, Bloomberg reported.
But in recent years the country has agreed to start sharing financial information with outsiders, including the European Union and the U.S.