How did Israeli intelligence miss Hamas' preparations to attack? A US counterterrorism expert explains how Israeli intelligence works

Javed Ali, Associate Professor of Practice, University of Michigan

This took an enormous amount of deliberate and careful planning, and Hamas must have gone to great lengths to conceal the plotting from Israeli intelligence. Because of the attack's advanced features, I also thought that Iran almost certainly played a role in supporting the operation – although some U.S. officials have so far said they do not have intelligence evidence of that happening. Finally, Hamas is on Israel's doorstep.