Israel's tactical success and Iran's embarrassment. How was Hamas' leader killed?

The killing of Hanija in the capital of Iran, just after the fresh Iranian president Masuad Pezeszekan was sworn in, is 1 of the most crucial events in the war between Israel and Hamas that has been going on since October 2023. This is undoubtedly an image blow to Iran, which could have far-reaching consequences for the situation in the mediate East.