The security convoy turned on to Tehran’s Imam Khomeini Boulevard at around 3:30pm on 27 November 2020. The VIP was the Iranian scientist Mohsen Fakhrizadeh, widely regarded as the head of Iran’s secret nuclear weapons programme. He was driving his wife to their country property, flanked by bodyguards in other vehicles. They were close to home when the assassin struck. A number of shots rang out, smashing into Fakhrizadeh’s black Nissan and bringing it to a halt. The gun fired again, hitting the scientist in the shoulder and causing him to exit the vehicle. With Fakhrizadeh in the open, the...