On death row, there's the man you meet and the man you Google. When I walked into East Block, San Quentin, there was a genial wave from inside the condemned cell of David Carpenter. His internet history has him as the serial rapist and murderer known as "The Trailside Killer". Raynard Cummings was on good form, mimicking my Scottish accent as he stood the height of the cell door that separated us. "I don't think lions and tigers should be locked up like this," he told me, reverting to Californian drawl. Search his name and you find it's a view...