Our Maricopa County Sheriff's office has arrested four employees of local business, and is on the prowl for two more. They had all gotten jobs via stealing identity (name and Social Security Number) from another local, who applied for food stamps, but was denied due to the income reported to the state in her name - the only reason the scam saw the light of day.
As the income generated by these six was reported, we gather that the employers in question were behaving legitimately - all the employees "on the books". As the name and SSN were legit, E-Verify would have passed them (or did, depending on if the firms used the process).
You'd think, if our government really wanted to deter ID theft, and to discourage jobs being given to those ineligible for employment, that a quick check could be made - when E-Verify is used, of for that matter when payroll taxes are submitted the the State - of how many jobs that SSN is holding down, and perhaps (in, say, the case of six jobs) a question be raised. Further, Social Security cards could be made a bit more tamper proof - embedded chip or electronic stripe, photo, hologram, etc. One could even link the chip or stripe electronically to a database, so the potential employer could confirm that the card and the number are legit; maybe even display back to the employer a copy of the photo that should be on the card. It might discourage the Park-and-Swap trade.
In our janitorial screening program, we run an address check based on Social Security number. We at least get an idea of how many places around the country a given SSN is holding down a job, and perhaps whether the applicant is the primary user of that number.... And we require a current Arizona Drivers License (hard to forge), and have access to the (hopefully) accompanying photo. Given that we do thorough background checks on our applicants (court records, etc.), it makes sense to confirm exactly who the applicant is.
It's not, as they say, rocket science.