> Read literally, no execution is described in the story in question If you think that their deaths were a coincidence, then I hope you never sit jury duty in

> Read literally, no execution is described in the story in question If you think that their deaths were a coincidence, then I hope you never sit jury duty in a murder trial. Nobody says they died of guilt, either. The modus operandi is simply not mentioned- all we have is means, motive, opportunity, and a pretty strong implication.