 As al-Jazzar's adviser and right-hand man, he directly supervised how the battle against the siege was run.At the culmination of the assault, the besieging forces managed to make a breach in the walls.After suffering many casualties to open an entry-point, Napoleon's soldiers found, on trying to penetrate the city, that Farhi and DePhelipoux had, in the meantime, built a second wall, several feet deeper within the city where al-Jazzar's garden was.