Common action in the field of police cooperation shall include: (a) operational cooperation between the competent authorities, including the police, customs and other specialised law enforcement services of the Member States in relation to the prevention, detection and investigation of criminal offences; (b) the collection, storage, processing, analysis and exchange of relevant information, including information held by law enforcement services on reports on suspicious financial transactions, in particular through Europol, subject to appropriate provisions on the protection of personal data; (c) cooperation and joint initiatives in training, the exchange of liaison officers, secondments, the use of equipment, and forensic research ...