This chapter presents Article 28 of the CoE Convention against Trafficking, which deals with the ‘protection of victims, witnesses and collaborators with the judicial authorities’. This provision specifically addresses adaptive measures in criminal procedural law to protect victims, witnesses and collaborators. The chapter begins with a short introduction, generally providing an overview of the main issues covered by the chapter. It then reviews the drafting history or preparatory work of the provision; provides a comparative analysis of this provision in the context of other international or regional legal instruments focused on human trafficking; and finally discusses issues of interpretation. The chapter closes with conclusions.