> Do you have sources with actual numbers? What is the percentage decrease?

Well isn't this obvious enough:

https://www.nytimes.com/2025/01/18/world/americas/migrants-t...

> Then how are the illegal migrants "easily" getting citizenship finding out about it?

They hear it from each other. They know, it's a whole business, with coach busses taking immigrants to the border where they continue a common path take daily by many people. It's all in that video.