when immigrants come to the u.s.a illegal what is he risks,benefits,input on society good or bad?

Answer 1

Well, most immigrants are poor. If they weren't, there'd be little need to leave their homes and live in a strange place that probably speaks a different language and doesn't understand you very well.

And with impoverished conditions may likely come a correlative increase risk in criminal activity, and in a capitalist country like the U.S., it's more and more often the case that the poverty becomes an intergenerational cycle. It's mostly bad news, with a few secondary benefits.

One of those is that they drive down costs of production, and our government and big business (which are virtually one and the same) sercretly celebrate it. Immigration continues because government and business want it to continue.

Answer 2

These websites are documented rather well with GAO and State information. It is worth reading.
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http://www.usillegalaliens.com/impacts_of_illegal_immigration_crime.html

http://www.usillegalaliens.com/impacts_of_illegal_immigration_crime_summary.html
(This is the table of contents for the above site.)
Section Navigation
Introduction
Forward
The Dark Side Of Illegal Immigration
Impacts Of Illegal Immigration: Terrorism
Impacts Of Illegal Immigration: Crime
Impacts of Illegal Immigration: Sex Crimes
Impacts of Illegal Immigration: Property Crimes And Operation Predator
Impacts of Illegal Immigration: Gangs
Impacts of Illegal Immigration: Crime Summary
Impacts of Illegal Immigration: Traffic Accidents
Impacts of Illegal Immigration: Cultural Difference
The Balkanization Of America
Impacts of Illegal Immigration: Education
Impacts of Illegal Immigration: Diseases
Impacts of Illegal Immigration: Jobs
Impacts of Illegal Immigration: Abuse Of The Guest Worker Program
Impacts of Illegal Immigration: American Infrastructure
Impacts of Illegal Immigration: Economic Costs
The Costs of Illegal Immigration
Should We Grant An Amnesty?
The North American Union And The Security And Prosperity Partnership
Recipe For Disaster: How To Destroy America
Border Security And The Border Fence
Solutions To The Illegal Immigration Problem
More Realistic Solutions To The Illegal Immigration Problem
How You Can Take Action
More Information
Immigration Facts, Figures And Addendum
About The Author

Answer 3

Read these boards and you will have a pretty good idea.