The European Union (EU) has recently reinforced its directives on the legal safeguards that should be guaranteed for individuals in police custody. This reform process has underlined the importance of detainees being informed of the exact reason for their detention and their procedural rights. This study explores the process by which police inform individuals of their rights in Spain now that implementation of the new European rules is mandatory. Our findings suggest that the police meet their obligation to read the detainee’s rights but fail to ensure that these rights are understood. In addition, it has been found that the different individuals involved, that is, detainees, police officers and lawyers, have different expectations about the process of detention, which, on occasions, severely complicates the observation of some procedural safeguards.

欧洲联盟（EU）最近加强了有关法律保障措施的指令，应为被警察拘留的个人提供保障。这一改革过程强调了被拘留者被拘留的确切原因及其程序权利应被告知的重要性。这项研究探索了由于必须执行新的欧洲规则，警察在西班牙告知个人其权利的过程。我们的调查结果表明，警察有义务阅读被拘留者的权利，但无法确保这些权利得到理解。此外，还发现，所涉的不同个人，即被拘留者，警官和律师，对拘留过程有不同的期望，有时，