R (on the application of Torres) v Commissioner of Police for the Metropolis [2007] EWHC 3212 (Admin), [2007] All ER (D) 234 (Dec)
Although s 37 of the Police and Criminal Evidence Act 1984 applies when a suspect returns to the police station to answer his bail, it also applies to every single occasion when a person under actual or deemed arrest is produced to a custody officer, including the occasion when he is first arrested.