It just needs the right German face to head it up, someone with no axe to grind,Yeah, even had some dealings with it in a previous life.
Interpol too funnily enough, and they both have liaison/points of contact functions.
This thing being mooted will have full investigative powers across the member states including transnational operations, arrest and kicking doors in.
How they think that will square with 27 different legal systems and procedures I have no idea, but forming one is the next on their wish list.
My neighbours down here would not be too impressed, some of the local elderly do remember the last time it happened in this vicinity.
That didn't end well either.
A direct entry, former chicken farmer, with no previous policing experience, for example.