If there were any evidence of widespread deportations of people who shouldn't be then I think you'd see more people speaking up, but there's not. People don't have to caveat their support of every policy with hypotheticals.
I also don't think most people want illegal aliens to be deported for "justice". They (rightfully or wrongly) think they're taking their jobs, contributing to crime, facilitating drug trade, costing taxpayers money, etc.
I also don't think most people want illegal aliens to be deported for "justice". They (rightfully or wrongly) think they're taking their jobs, contributing to crime, facilitating drug trade, costing taxpayers money, etc.