Massive leak reveals secret owners of £80bn held in Swiss bank Whistleblower leaked bank’s data to expose ‘immoral’ secrecy laws Clients included human trafficker and billionaire who ordered girlfriend’s murder Vatican-owned account used to spend €350m in allegedly fraudulent investment Scandal-hit Credit Suisse rejects allegations it may be ‘rogue bank’ . A massive leak from one of the world’s biggest private banks, Credit Suisse, has exposed the hidden wealth of clients involved in torture, drug trafficking, money laundering, corruption and