Here are some quick hits regarding government-created black markets in the immigration world:

Former Contractor Pleads Guilty To Taking Part In Fraud Against U.S. Immigration and Customs Enforcement

Stephen E. Henderson, 61, who previously was employed by a contractor doing work for the U.S. Department of Homeland Security (DHS) Immigration and Customs Enforcement (ICE), pled guilty today to taking part in a scheme in which he fraudulently received more than $50,000 in government money.

Former ICE Analyst Sentenced in Travel Fund Scheme

A former Intelligence analyst for Immigration and Customs Enforcement was sentenced to prison Wednesday for his role in an alleged embezzlement scheme, and federal prosecutors announced another former analyst and a former agency contractor have pleaded guilty to related charges.

Fake ID bust leads to immigration hearing, possible deportation

[The immigrant] told officers through an interpreter he had received the fake IDs from a friend. He was unable to produce a resident alien card when asked for one by an officer, according to the affidavit.

Human trafficking a growing crime in the U.S.

A University of Michigan janitor. A Ukrainian nightclub owner. A Detroit man nicknamed "Gruesome."

The three men, authorities say, are all tied to a growing crime: human trafficking.

According to the U.S. Department of Justice, human trafficking has become the second fastest growing criminal industry — just behind drug trafficking — with children accounting for roughly half of all victims. Of the 2,515 cases under investigation in theU.S. in 2010, more than 1,000 involved children.

And those are only the ones we know of. Too often, authorities say, victims stay silent out of fear, so no one knows they exist.