[Texas_Jarhead]

"...since statistics on the "bad" effects of illegal immigrations are likewise suspect."

I would tend to believe that statistics relating to the increases in cost of uninsured medical treatment over time and the cost increases for incarceration of illegal aliens and finally the increasing % of non-English & ESL students paint a fairly clear and reliable pictures of the public costs associated with illegals.

[Caveman Lawyer]

Beat me to the point about the proportion of the prison population. That's a known quantity.

[r9etb]

I would tend to believe that statistics relating to the increases in cost of uninsured medical treatment over time and the cost increases for incarceration of illegal aliens and finally the increasing % of non-English & ESL students paint a fairly clear and reliable pictures of the public costs associated with illegals.

I don't dispute it -- Tammy8's comment was on-target. My comment was simply that it's two sides of the same coin: if you say that there's not enough knowledge to accurately gauge the positive impacts of illegal immigrants, you must likewise state that you cannot accurately gauge the negative impacts.