First, they have been harming a multitude of legal citizens, as well as legal children.
As far as the brown people. Without due process, and sending people to foreign death camps, they are not criminals. Because it was never proven that they are.
When the laws make existing as a race of people a crime; the law has became the true crime, and the enforcers the true criminals; That is why when a country passes such laws, it is called a crime against humanity.
ICE is terrorists.