After the war with Israel, Iranian authorities have swept up hundreds of people deemed suspected infiltrators. But the arrest and hanging of the nuclear scientist Roozbeh Vadi was a rare move.

Roozbeh Vadi sentenced to death by hanging after reportedly transferring ‘classified information’ to Mossad

Iranian judiciary’s news outlet Mizan reported that Rouzbeh Vadi relayed classified information to Israel’s Mossad.