Youth A severed the head off 11-year-old Jun Hase and placed it on the front gate of an elementary school. Slowly does it when you're lining up to buy your next Big Mac ... that young guy in front of you could well be one of Japan's most vicious, brutal and shocking killers, according to Weekly Playboy (3/30). His real name can't be released, because when the now 21-year-old who referred to himself as Seito Sakakibara went on his bloodthirsty rampage, he was only a 14-year-old schoolboy. Instead of being locked away behind bars for the rest of his life,...