What? Where does the OP state that? I’m confused?? Pffft.
Your statement seems very false to me.
Apprehensions in 2016 - 611,689
Apprehensions in 2017 - 341,061
https://www.usnews.com/news/data-mine/articles/2018-03-13/fewer-crossing-border-fewer-deported-immigration-under-trump
What specifically do you think that Trump’s team is doing differently than Obama’s. I know they started this zero tolerance program but that practice of separating families has been widely shunned. What else is Trump doing to enforce the laws differently.
Before you answer, don’t forget that Obama still holds the moniker of “Deporter in Chief”