14 Charged In Alleged Marriage Fraud Scheme (green card, illegal, citizens, federal)

[All American NYC]

-- Federal prosecutors in Sacramento announced Tuesday that they have charged 14 people in connection with a marriage fraud scheme.
Prosecutors said the defendants organized or entered into marriages with foreign citizens as a way to obtain green cards. (http://www.kcra.com/news/28671398/detail.html - broken link)

If they can charge for marriage fraud why not other illegal alien fraud?

[malamute]

Good question.