On January 17th, the New York Times reported that Rudolf M. Elmer, a former executive at Julius Baer, has given WikiLeaks information on 2,000 prominent individuals who have allegedly engaged in tax evasion or similar activities. The information may be posted in two weeks. WikiLeaks. On January 19th, Reuters reported Swiss police arrested Elmer on suspicions that his disclosure of the client data to WikiLeaks violated Swiss banking law. The arrest was made shortly after Elmer had been found guilty of having breached Swiss secrecy laws in an unrelated case. Arrest.