POLITICAL CONSTITUTION OF COLOMBIA
TITLE II - CONCERNING RIGHTS, GUARANTEES, AND DUTIES
CHAPTER I -CONCERNING FUNDAMENTAL RIGHTS
Article 29
Every person is presumed innocent until proven guilty according to the law. Everyone criminally charged is entitled to a defense and the assistance of counsel chosen by the accused or assigned during the investigation and trial; to a fair and public hearing without undue delay; to present evidence and to examine witnesses for the prosecution; to challenge the conviction; and not to be subject to double jeopardy for the same act.
Ne bis in idem
Presumption of innocence
Rights during trial - legal assistance
Legal Aid
Rights during investigation - legal assistance
Rights during trial - counsel of accused's choosing
Rights during trial - tried without undue delay
Rights during trial - examine witnesses
Rights during trial - raise defences
EDIT.