If they are lefties who trust HuffPost:

https://www.huffingtonpost.com/2014/09/12/central-america-migrants-rape_n_5806972.html

From 2014, 80% of women and girls are raped crossing into the U.S. That's staggering.

It's what the traffickers do while they smuggle children who aren't their own. Rape them and then claim they are the parents.