Old rundown housing. They are food deserts per Michelle Obama criteria. Businesses have largely abandoned these areas. Many people there are grappling with poverty.
I’m sure there are other common characteristics as well.
A lack of fathers living in the house.
“They are food deserts per Michelle Obama criteria”
I think you hit among the commonality amongst these areas: a paucity of readily available of arugula. I’m sure if you did a study there would be nearly a 100% correlation. And the scientific conclusion you could draw from this? Arugula prevents crime.