From the piercing cry of sirens, physician Akihiko Yamamoto immediately knew something was very wrong when he arrived on the train platform at Tokyo's JR Akihabara Station on June 8, 2008.Yamamoto, 52, who is now the critical care center director of Oita Prefectural Hospital, just happened to be in Akihabara that day. He later rushed to try to save the lives of two of the people who died from their wounds in one of Japan's worst mass murders in recent memory.A total of seven people were killed and 11 injured, including the 25-year-old assailant Tomohiro Kato, in the knife-stabbing spree tha…READ FULL ARTICLE