Source: United States & Canada – South China Morning PostConvicted murderer Kenneth Eugene Smith was put to death by nitrogen hypoxia, which involved pumping nitrogen gas into a face mask, causing him to suffocate.Read More
Source: United States & Canada – South China Morning PostConvicted murderer Kenneth Eugene Smith was put to death by nitrogen hypoxia, which involved pumping nitrogen gas into a face mask, causing him to suffocate.Read More