Mob Rule

The dominant crime syndicate on … recently eliminated the last of its competitors and achieved complete control over the …'s extensive criminal underworld. They have long since undermined the real planetary authorities, and the local population now look upon these gangsters as the true rulers of ….

The command below will trigger the "Mob Rule" event in Stellaris:

When this event fires, you can choose between the following option:

• These thugs must be dealt with.