Vardaat: अमेरिकी कैदी को दी गई 'गैस वाली' मौत! वारदात में देखें पूरी खबर

For the first time in the country, death penalty was carried out using nitrogen gas in Alabama, America. 58 year old convict Kenneth Eugene Smith was inhaled nitrogen gas through a face mask. After which he died due to lack of oxygen.