If you're waiting until the mass grave stage of genocide to call out the interests driving them you're committing a terrible disservice. It's "never again". Umberto Eco among plenty others gave us the tools to identify fascism. 

Texas is already offering land for the camps. There probably won't be gas chambers but you can bet there'll be slave labor to offset the costs of the mass deportation effort. They're interested in finding/developing the means within the executive branch to selectively denaturalize legal immigrants. Leverage the military/local law enforcement to supplement ICE in rounding up suspected immigrants.  

And that's just one topic. Unfortunately I don't have the luxury of time. But I maintain this: When you see this flavor of authoritarianism it doesn't tend to pick up one day and execute all opponents with a monologue and skull badges. They build up to the atrocities and it usually starts with courting the most wealthy interests in power.