Why prisons are becoming the new asylums for people with schizophrenia

Why prisons are becoming the new asylums for people with schizophrenia
 human development health.
just explain why prisons have become the new asylums especially for people with schizophrenia.
so make sure explain how the human development health plays a role in it.
How hospitals turn people away that really need to be there because they are to much of a danger or require long term care.
how it effects the prisons and people with schizophrenia and the people that have to deal with them and be around them.