Horror as inmate executed with nitrogen  news.com.auAlabama executes convicted murderer with nitrogen gas, the first time the new method has been used  ABC News‘Leaving with love’: Killer makes final gesture as Alabama carries out first-of-its kind execution  Sydney Morning HeraldKenneth Eugene Smith: Imfungwa 'ya mbere ku isi' yicishijwe nitrogen  BBC.com‘This Method Is Barbaric’ Eric Guster on U.S. Experimental Nitrogen Execution | Good Morning Britain  Good Morning Britain