"The Associated Press details grave conditions inside a Texas migrant detention facility where 250 infants, children and teenagers were being held without adequate food, water or sanitation during a recent visit"

2. not many knew back then that it were to become death camps, at least not at the beginning. For typical citizen back then it was presented and looked like a detention/concentration camp, and the citizens were ok with the people being taken there just on the mere basis of being some "other" people. It became death camps in the process and the populace complacence was a major factor here.

https://en.wikipedia.org/wiki/Nazi_concentration_camps#Pre-w...