They are sealed so that the perpetrators (usually large groups of criminals) don't know when they or one of their associates are about to be arrested and charged with crimes. This is the same way Ruby gutted the mob in NYC. They can use the RICO laws to snag everyone in a big racketeering net.
If one person gets charged, the crime hierarchy both above and below knows that they may be next and they quickly go into hiding underground.
They are sealed so that the perpetrators (usually large groups of criminals) don't know when they or one of their associates are about to be arrested and charged with crimes. This is the same way Ruby gutted the mob in NYC. They can use the RICO laws to snag everyone in a big racketeering net.
If one person gets charged, the crime hierarchy both above and below knows that they may be next and they quickly go into hiding underground.
The "crime hierarchy above" all have bank accounts. Just freeze their assets.