"For the stock to be trading at the current level is a shame, for this is an enterprise class company which has tremendous potential but has failed because the execution has been a complete disaster," says Ashok Kumar, PC industry analyst with US Bancorp Piper Jaffrey.
Botched executions have been an "inexorable part" of the story of capital punishment in America, according to Prof Austin Sarat of Amherst College.
Voltaire, after years of work, was able to show that Calas's execution had been a frame-up, and even managed to get official recompense for his family.
The technical reason for her execution had been a Biblical clothing law.
Hong Kong does not have capital punishment and might have stopped Shi's extradition if execution had been a possibility, officials said.
For weeks, Tuesday's double execution had been a disaster in the making, thanks to an unusual, and unseemly, standoff between Oklahoma's Republican governor, Mary Fallin, and the state's supreme court.
Iran, which typically trails only China in the rate of executions, has been executing prisoners at a much greater rate since the protests began in June, human rights groups say.
The rate of executions has been significantly slowed as a result of the shortage, but it has also prompted several states to moot more extreme methods to maintain their death penalty timetable.
On the other hand, execution monitoring has been a well studied topic within industrial control, although control theorists seldom use this term.
