That is perfect, thanks so much. Interesting bit here is what I would expect from Target:
The issue instead was that their employer, Jim’s Maintenance, was failing to fulfill its obligations to keep proper records, including records of I-9 compliance. This failure to fulfill its contractual obligations ultimately contributed to Target’s decision to terminate its contract with Jim’s Maintenance.
So company offers services to Target, uses workers that are undocumented. Target severs the relationship as soon as they "know"[1] that the company is a bad actor which puts this company out of business.
This is how it is supposed to work, which is that people do things that are bad, they get discovered and they end up losing more than they gained from their bad behavior.
But to my original point, Target understood the legal risk of hiring a firm that hired people who were not authorized to work in the US, and once they were made aware of it they stopped. In California this is something the SEIU does, if they suspect a company is using illegal workers they will go tell people who employ them that what they are doing in a paper trail sort of way (registered mail etc). That forces the company to break that relationship. As a result, it is quite difficult to run this sort of thing and harder to make any money at it. All this has the appropriate chilling effect.
[1] I realize that clearly someone inside the Target stores knew this was going on, but in this case it is once the corporate entity knew. I'm curious if the store manager was fired or not.