<p>His friends call him Abu Amin, 'the father of honesty'. At 43, he is one of Iraq's most highly decorated intelligence officers: a special forces veteran who organised killings behind Iranian lines during the first Gulf war, who then went on to a senior post in the unit known as 'M8' - the department for 'special operations', such as sabotage, terrorism and murder. This is the man, Colonel Muhammed Khalil Ibrahim al-Ani, whom Mohamed Atta flew halfway across the world to meet in Prague last April, five months before piloting his hijacked aircraft into the World Trade Centre.</p>