A task force has been created to help fight the 'scourge' of cross-border crime.
The new agency was established today with An Garda Siochána, the PSNI, revenue officers and other organisations now working together to tackle crime.
They will share information and resources and the agency will be jointly funded by both governments.
The force will be jointly funded by both governments.
Justice Minister Frances Fitzgerald says the new task force will deal with the very real threat to communities.