United States of America
The AmendmentsAmendment 8 - Cruel and Unusual Punishment. Ratified 12/15/1791.Excessive bail shall not be required, nor excessive fines imposed, nor cruel and unusual punishments inflicted.
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.