They say the scheme took in millions of dollars in illicit proceeds.

It’s part of an ongoing investigation. So far, 27 people have been charged.

The accused ringleader, Earl Seth David, was arrested Tuesday in Canada. He was suspended from practicing law in March 2004 and fled to Canada in 2006 after learning his firm was under investigation. Authorities say profits from the scheme continued to be funneled to him in Canada.

Prosecutors say David’s law practice was based in Manhattan and operated several shell companies.

Information on his attorney was not immediately available.

Read More: http://www.washingtonpost.com/national/federal-indictment-charges-12-with-running-nyc-based-immigration-fraud-mill/2011/10/12/gIQABjFqeL_story.html