I've been trying to think of ideas of how they could help themselves. The only thing I can think of is to use technology - camera's everywhere, body cams and tracking devices on vehicles and people. I know they aren't wealthy, but the town could put cameras on the streets like the do in London. I'm just brainstorming here... Such a sad situation they are in.
I've pondered on this and wonder if religion could be the answer. I say this as an atheist. But churches, typically already established well in these areas, could have the community structure combines with good social values and zeal/commitment, even fanaticism to see through what would likely be tough time initially to cleaning up areas. Something along the lines of a Knights Templar where segment of a community dev…
Evolution would state that, eventually, only the religious will survive. If there is a God, He is laughing."
Nonetheless, I don't think that would help here - the society has passed critical mass of crime, the incentives are for everyone to be criminal, and religion itself would be subverted for its use.