Globally, this is rare. In countries like the UK and US, prisoners with mental health conditions often end up in the general prison population. But in the Netherlands prisoners are streamlined into specific segments following a charge. The idea is that this way, they can receive the proper, and particular, care they need.
Что означает выделенный участок? Согласно обвинению?
Здесь скорее "согласно требованию"