Detention
A police detention cell or holding facility used for temporary custody of arrested or remanded suspects awaiting court proceedings or transfer to prison. The term refers both to the physical facility and the period of short-term police custody under Danish criminal procedure.

Definition
Arresten is the Danish term for a police detention cell or short-term holding facility where suspects are kept following arrest and during the initial phase of criminal proceedings. It serves as a temporary custody location before individuals are either released, transferred to a remand prison, or proceed through the court system. The term encompasses both the physical space within police stations and the practical period of confinement under police authority.
Unlike a prison sentence, time spent in arresten is not punishment but a procedural measure during investigation and pre-trial proceedings. Suspects may be held in arresten immediately after arrest while awaiting a custody hearing before a judge, typically within 24 hours as required by law. Those remanded in custody may remain in police detention facilities for short periods before transfer to formal remand institutions operated by the Prison and Probation Service.
The legal framework governing arresten custody is found in the Danish Administration of Justice Act rather than the Criminal Code itself. The Act distinguishes between anholdelse (arrest), where police may detain a suspect for up to 24 hours, and varetægtsfængsling (remand in custody), which requires a court order and can extend for longer periods. During time in arresten, detainees have specific rights including legal representation, notification of family, and protection from unlawful treatment.
In Danish true crime discourse, the phrase "i arresten" (in the arrest cell) commonly describes the immediate post-arrest phase when suspects first enter the criminal justice system. This period is often crucial for investigations, as initial interviews and evidence gathering typically occur while the suspect remains in police custody. The conditions and duration of detention in arresten are subject to oversight to ensure compliance with human rights standards and procedural safeguards.
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