In 2020, Iran's top nuclear scientist, Professor Mohsen Fakhrizadeh, was gunned down on a remote stretch of road outside Tehran.

But as the dust settled, one thing stood out as being particularly strange.

Apart from the victim, his wife, and their security detail, there was no one else around.

No assailants, no witnesses, and no collateral damage.

Israel was the prime suspect.

Had they just enacted one of the most technologically advanced assassinations of all time?

• Host: Aslan Pahari
• Producer: Hannah Jose
• Sound: John Jacobs
• Video Producer: Tejas Bhat
• Special thanks: Michael Osmond for archives research
• Executive Producers: Joel Werner, Eric George, Jessica Radburn

To binge even more great episodes of ASSASSINS with Aslan Pahari go the ABC listen app (Australia) or wherever you get your podcasts. There you'll find more stories of the world's most shocking assassinations — from the lone wolf hitman to the professional assassin, you'll hear how famous figures like Abraham Lincoln, Benazir Bhutto, Ramses III, Tupac, Rasputin, and Gandhi met their end.