This is how life is in basically every Central and South American city, in my experience.
As soon as a family has some relatively small amount of wealth they will spend it on ultra-secure apartment buildings, tall walls around their house, razor-wire walls and fences, full coverage security cameras and intruder detection, etc.
As soon as a family has some relatively small amount of wealth they will spend it on ultra-secure apartment buildings, tall walls around their house, razor-wire walls and fences, full coverage security cameras and intruder detection, etc.