ARTICLE III
BILL OF RIGHTS
Section 12. (2) No torture, force, violence, threat, intimidation, or any other means which vitiate the free will shall be used against him. Secret detention places, solitary, incommunicado, or other similar forms of detention are prohibited.
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
Rights during investigation - arbitrary arrest or detention and deprivation of liberty
EDIT.