The fence is a great idea, but, a large number of the illegal aliens in the country got here not by crossing the border, by rather by overstaying their visas and then melting into the background. We need the manpower to be able to track down those people in the future -- as well as the fence on the border -- if our border security is going to be fixed.
Only then should a discussion be raised about the ones already here.
The majority of them are working or on Social programs that they're not entitled to.
Go after their employers and demand proof of citizenship from applicants for Social programs.
They Will Deport Themselves!