Contents: Preface -- 1. Introduction to multilingual communications surveillance in criminal law -- 2. The legal context -- 3. The translational process -- 4. The products of intercept interpreting-translation -- 5. Reliability of translated intercept evidence (tie) and other written translata used as evidence -- 6. Competences -- 7. Current conceptions of the role of intercept interpreters-translators (iits) as guides for the future -- Intercept with interpreters survey.