The immigration agency USCIS randomly selected 246 visas out of 100,000 then visited the worksites. Turns out alot of the addresses given by companies were bogus. Degrees were faked and documents forged.
One guy was even hired for one job and he was found to be fixing washing machines in a laundromat:
http://www.computerworld.com/action/article.do?command=viewArticleBasic&articleId=9116758&intsrc=hm_list
Sadly this DOESN’T include cases where H1-Bs were used to undercut prevailing wages, keep out American employees as that is legal via loopholes in the system.
