Well see, the above is untrue. I don't know if you're intentionally avoiding the truth, or you're just that uninformed or misinformed. Here's a link to an AP article which might help you understand.
WASHINGTON (AP) — Since the government acknowledged last month that the Trump administration had lost track of nearly 1,500 immigrant children, the debate over what that means and who is to blame has roiled Twitter...
apnews.com
Note the date of the photograph. Children in cages there, and under Obama's administration. See any adults there? Nope. In fact, the policy of separating children from adults is actually sensible for quite a few reasons, although it's sad such things have to happen. It's entirely possible even you can figure out at least a couple of them.
I assume your reading abilities are sufficient to understand it. This was widely reported. I cudda used any number of sources, but I feared using Fox would cause you some form of testicular strangulation, and we can't have that. You'll need your nuts to admit you're wrong.