Drug sales and fraud are by far the biggest sources of income for the gangs.

The escalation of violence in the Stockholm area is believed to be largely due to the fight over the drug environment and conflicts linked to power and status, says Anna Rise.

The party junkie: "Didn't think about it that much"

We talk to several people who have seen Stockholm's pub scene from the inside and who used to and used drugs for a long time in connection with parties.

The fact that they finance the gangs is not something they reflect on very much.

- Has contributed by buying drugs from the "street" a few times.

But I hardly think the common man chasing his fix cares a damn about that aspect, says Erik, who wishes to remain anonymous.