A Metro Detroit couple ran a $74 million plumbing empire that employed more than 100 immigrants living illegally in the U.S., according to federal court records unsealed Tuesday, and controlled the operations from a $1.5 million home in Plymouth Township.

The couple, Moises and Raquel Orduna-Rios, were charged in a criminal case in New York that describes a nationwide conspiracy to employ illegal immigrants through their company, Orduna Plumbing. Moises Orduna-Rios, 36, is president and Raquel Orduna-Rios, 30, is treasurer/secretary.

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