Eurojust
Eurojust stimulates and improves the coordination of investigations and prosecutions between the competent authorities in the Member States and improves the cooperation between the competent authorities of the Member States, in particular by facilitating the execution of international mutual legal assistance and the implementation of extradition requests. Eurojust supports in any way possible the competent authorities of the Member States to render their investigations and prosecutions more effective when dealing with cross-border crime.
The link address is: http://www.eurojust.europa.eu/