Mgr. Veronika Pochylá, interní doktorandka na Katedře trestního práva PrF UP v Olomouci, e-mail: veronika.pochyla@upol.cz

The article discusses a different approach (in theory and in practice) to problems that occur in the case of a lineup. The author focuses on the cooperation of the accused at this action and on its borders arising out of “Nemo tenetur se ipsum accusare”. The author also offers her opinion on that principle „Nemo tenetur se ipsum accusare“ that should not be overestimated because it is necessary to increase the efficiency of the criminal proceedings as well as to avoid unwanted obstructions of the defense, if we want to achieve a more effective criminal justice.