The defendants were accused of illegally entering Iranian territory from Iraq's Kurdistan region to carry out a bombing operation.
Smith, convicted of a 1988 murder-for-hire, was a rare prisoner who had already survived one execution attempt.
Qobadlou was sentenced to death in late 2022, in the middle of the protests, on charges of killing a police officer and of "corruption on earth."
Kenneth Smith, convicted of murder, is scheduled to be executed in the state of Alabama on January 25 using nitrogen hypoxia.
IRNA state news said their mission entailed kidnappings, threatening and setting fire to vehicles and homes of unnamed targets and stealing their mobile phones.
The execution took place in a Zahedan jail in in Iran's southeastern Sistan-Baluchestan province.
Hamas has a history of reporting that hostages were killed in airstrikes after they had been executed by the terrorist group.
Jedidiah Murphy was sentenced to death for the fatal 2000 shooting of 80-year-old Bertie Lee Cunningham in Dallas County during a carjacking.
The two officers were arrested in 2017 and sentenced to death on charges of treason and not protecting the national interest and military honor.
Iraq’s most powerful and richest Jew, who had hosted the regent in his home and had no links to Israel or Zionism, could be indicted in a show trial and hanged, what future would there be for them?