Trash like these racists/trump supporters...
The only (legal) way to deal with them is to make sure their actions follow them the rest of their miserable lives. Out them to family and employers, their neighbors.
Make a terrible example of them...
'Mom, how come uncle Bill never got married and can't get a job other than cleaning toilets?'
'Well, you see son, back in 2015 he put on a red hat....'