 Other unnamed sources asserted Skorzeny was recruited after Mossad visited his home in Spain, where he expected that he would be assassinated.After undergoing instruction and training in the Mossad's facilities in Israel, the rumoured work for Mossad included assassinating German rocket scientist Heinz Krug who was working for the Egyptian government and mailing a letter bomb which killed five Egyptians at the Egyptian military rocket site "Factory 333".He also allegedly supplied the names and addresses of German scientists working for Egypt and the names of European front companies supplying military hardware to Egypt.