All news on the topic: Steve Marshall

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Convicted killer Anthony Boyd dies by nitrogen hypoxia after proclaiming innocence
Anthony Boyd, 54, has been executed by nitrogen gas in Alabama for his role in the 1993 murder of Gregory Huguley, who was burned alive over a $200 cocaine debt.
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Calls for nitrogen execution to be rolled out as victim dies writhing
The method of using Nitrogen gas to starve death row victims of oxygen could revolutionise executions in the same way lethal injection did more than 40 years ago