

That officer was “fired” for similar abuses from a different department in 2013. Eventually being reinstated AND given back pay before then moving to Fort Worth and doing it again. He received no punishment and it is very likely this case will resolve in a similar fashion. The police union is currently defending him, this will end up in arbitration just like when he was fired in Irving.
They are not banning Americans from coming, only requiring them to get visas. This will make it so you have to apply ahead of time and the government will decide if you can enter, just like when people want to travel from Africa to US.