Subhuman in today's lexicon deals with behavior. Murderers are subhuman, not because of their Race but because of their actions.
Unfortunately, we are dealing with the fact that over half the Violent Crime in American is committed by Blacks, mostly against other Blacks. About 5% of the Population committing 50% of the violent Crime. Bring up that Fact in a discussion and you are immediately labeled a Bigot and a Hater.
Now, look at the reaction POTUS Trump when he denigrated the ISIS Terrorist Leader al-Baghdadi after he blew himself up when we went after him. The Democrats were simply outraged.
I think that many of today's White Liberals are Subhuman, but that's just me. The thing is, they all consider us Subhuman, but their Politicians prefer to call us something a little less volatile, Irredeemable Deplorables.
Actually I think the number is 85% of violent crime is commited by this group