Egyptian General Intelligence Directorate (EGID), claims that he moved to Israel as an Egyptian Intelligence asset in 1956. He was well known in the Israeli society and was involved in commercial projects. According to the Egyptians, he provided the Egyptian intelligence service with important information while operating a tourism company as a front. Al-Gammal's intelligence concerned, among other things, the Six-Day War, and he had an important role in the Yom Kippur War by providing Egypt with detailed engineering data about the Bar Lev Line. Al-Gammal is considered a national hero in Egypt. Most information about him is still confidential.