A decade later, Helvis was alleged to have given kickbacks into a special fund of the National Religious party to obtain contracts from the Ministry of Health in connection with two hospitals near Tel Aviv.
Together with his friend Bernard Cornfeld, Rosenbaum founded the Banque De Credit International Genève in Geneva in 1959, which went bankrupt in 1976, combined with a considerable loss of prestige for the Hessische Landesbank, which was most recently closely associated with it.
For the major organized crime figure Meyer Lansky, who first met Rosenbaum in 1965, the bank also opened a connection to Israel.
Sylvain Ferdman, who was BCI's office manager in Geneva, acted as "money courier" for Meyer Lansky and other U.S. customers of the bank.
According to Richard Gilbride's book "Matrix for Assassination: The JFK Conspiracy," the bank was responsible for handling up to 90% of the Israeli Defense Ministry's arms purchases.