A string of controversies have beset Switzerland’s second-largest lender, including Japanese ‘shredding parties’ and US sub-prime fraud

• Credit Suisse leak unmasks criminals, fraudsters and corrupt politicians

The revelations that Credit Suisse has been used by crooks, money launderers and corrupt politicians are a public relations crisis for the banking giant.

But the Suisse secrets investigation by the Guardian and its reporting partners is only the latest in a string of controversies to beset Switzerland’s second-largest lender.