Is this an attempt to frighten the PP who said,
"I want them gone" by implying that the reply will be racist?
I am not the PP but as I and most others-including yourself-know exactly what she means, I will answer for her.
The Who: She means immigrants-both legal and illegal-who repay their host country by committing crimes.
The Where: Back to their home country. If they say they have no home country then, rather like the Ancient Mariner, sailing the seven seas.
I do hope that is clear and may I anticipate your cry of racism by saying I , quite simply, do not give a fuck.