A self proclaimed 'mad scientist' who was found with explosives said he kept a sample of poison he named after the toxin used to kill millions in Nazi death camps because it 'makes me smile'. Harry Whittaker, 33, stored homemade explosives with radioactive and lethal poisons in a garden shed he called 'The Laboratory' where he carried out his experiments, the Old Bailey heard. The obsessed amateur scientist kept a sample of deadly potassium cyanide labeled with the name of the poison used in the German death camps, to 'brighten up his day,' he said. Whittaker, who used the name...