I think you have cause and effect backwards. Deciding the truth and then finding the evidence to support it after we've decided what the truth is happens to be

I think you have cause and effect backwards. Deciding the truth and then finding the evidence to support it after we've decided what the truth is happens to be a big problem in our society today. It's not obvious that every person is capable of horrible evil even though there are times and places where it seems that there are many normal people willing to participate.