Book edited by Edward Johnston, Rahime Erbaş and Dan Jasınskı, Istanbul University Press, 2020
The paper focuses on proportionality with respect to electronic surveillance, often used in criminal investigations. Firstly the matter is analysed from a supranational standpoint, taking into account the legal framework and the relevant case-law; secondly, the analysis goes deeper into the Italian legal system, showing how the notion of proportionality is sometimes misunderstood.