Improving the quality of life for a significant proportion of the population can have major effects on violent crime. A great example is Medellín, Columbia: see

Improving the quality of life for a significant proportion of the population can have major effects on violent crime. A great example is Medellín, Columbia: see this reddit post[1] for a good summary. [1]: https://np.reddit.com/r/neoliberal/comments/ib6eh2/a_tale_of_two_cities_how_medellin_transformed/ https://np.reddit.com/r/neoliberal/comments/ib6eh2/a_tale_of... (I would turn off subreddit style for now)