3 4) in the case of persons apprehended, arrested or detained under the Pre-trial Investigation Act (449/1987), the Coercive Measures Act (450/1987), the Police Act or some other statute, in order to monitor and supervise periods of deprivation of liberty and to ensure safety in custody, the information on arrest referred to in section 22 of the Pretrial Investigation and Coercive Measures Decree (575/1988), and information concerning reports of offences and apprehension, and, in individual cases, information relevant to safety in custody concerning persons who have been deprived of their liberty (arrested persons data); 5) in the case of persons suspected of an offence, for the purpose of a unified search for recorded reports of offences, the reference number of the report of an offence, the date and place of the offence, the designation of the offence, the statute of limitations for the offence, and the penalties and other sanctions imposed for the offence (crime report index and sanctions data); 6) information recorded by the police that, for reasons of urgency, danger, crime prevention or criminal investigation, particularly needs to be communicated to bring it to the attention of police units and to focus supervision (message transmission data); 7) in the case of suspected offences, in order to classify and analyse criminal modus operandi, information notified in reports of offences and entered in pre-trial investigation records, information on the injured party and the suspect, information identifying the offence and concerning the description of events, information on criminal property, information describing the classification of the offender, the case or the act, and information needed for the linking of offences and for a forensic investigation (modus operandi data); 8) in the case of persons reported missing, information needed to find such persons and, in the case of unidentified deceased persons, information needed to identify such persons (identification data);