Normally an illegible signature is one where a person is telling you that he does not want to be communicative and may like to plan and approach secretly. It could also mean that you are dealing with a person who will play with the cards close to his chest. A very heavy pressure indicates great energy level. A slowly written complicated signature implies negative mindset and criminal tendencies Osama Bin Laden and Saddam Hussein. Look at the Horizontal movements in the upper zone and a crab like figure he makes in his signature akin to a chariot wheel. It indicates his intense detail oriented style of functioning. The specialty of a crab is that no matter how hard you try to attack it does not die but bites back quite fiercely. Dangerous signals! Did the Americans get his signature analyzed?