Author discusses the relationship between the rules of tactics and norms of law of evidence – showing interdependencies, but also the differences occurring in both areas. Rela-tion: tactics forensics – the standard law of evidence is not limited only to the regulations governing the conduct of specific evidentiary actions. Also, the remaining provisions of the Code of Criminal Procedure, which govern the rules of evidence and procedure have a direct influence on the rules of forensic tactic. Author points to the profound changes that occur in these relations after the amendment of the Code of Criminal Procedure, which allows a socalled. "Private collection of evidence."