Section VII
Court and justice
Article 77
3. In application of law a judge must be guided by the following principles :
9) evidence obtained by illegal means shall have no juridical force. No person may be sentenced on the basis of his own admission of guilt ;
Fair trial standards
Rights during investigation - self incrimination
Rights during investigation - not to be subjected to any form of coercion, duress or threat, to torture or to any other form of cruel, inhuman or degrading treatment or punishment
EDIT.