This court case opposes dual national (US&CH) employee and Credit Suisse.

This 1st article covers the issue of data transmission to the US.

According to this article in the first 3 data transmissions by Credit Suisse around 75 documents out of batch of 200 were related to this specific employee.

Credit Suisse offered that the employee can consult the data but would not hand out a copy arguing that htis might be a breach of the Swiss Banking Secrecy.