Anyone who ever end up an their radar would probably never be removed from that,and never even know.
It is highly offensive that the German government pretends it does not know where the crime is happening. How about they deal with a few of these clans numbering 100s of people? This can be done , has to be done the convential way, as these clans will not be as stupid as leave digital traces, as computer illeterate as they might be.
The government has not even defined who they are targeting, they just use the commonly thrown around terms.