Operation Tannenbaum Operation Tannenbaum Operation "Tannenbaum ("Fir Tree"), known earlier as Operation "Grün ("Green"), was a planned but cancelled invasion of Switzerland by Nazi Germany and Italy during World War II. For tactical reasons, Adolf Hitler made repeated assurances before the outbreak of the Second World War that Germany would respect Swiss neutrality in the event of a military conflict in Europe. In February 1937, he announced that "at all times, whatever happens, we will respect the inviolability and neutrality of Switzerland" to the Swiss federal councillor Edmund Schulthess, reiterating this promise shortly before the Nazi invasion of Poland. These were, however,
Albert Tannenbaum owned by his father. When Tannenbaum was 25, he met a guest at the club by the name of Jacob "Gurrah" Shapiro, a close associate of infamous Jewish gangster Lepke Buchalter. Shapiro felt that Tannenbaum had what it took to become a mob hitman, and introduced him to the underworld. Tannenbaum progressed rapidly through the ranks of organized criminal violence. He began as an enforcer and strikebreaker being paid $50 a week; his salary was raised to $75 and then later to $100. When he became a full-fledged contract killer in Murder, Inc., he was paid $125 a week for