collecting criminals across the city

Could any one write a better sentence instead of

Some governments build prisons to collecting criminals across the city while some…

BR,
Swan

Prisons don’t collect prisoners.
What is the rest of the sentence?

I am trying to write a essay about different ways of decreasing crime rate in societies and intended to say just builing taugher and bigger prisons does not work to collect criminals across the cities.

Then use ‘hold’ rather than ‘collect’.