PHOENIX -- Nine janitorial workers suspected of using fictitious documents to get jobs and their manager were arrested in a raid of state office buildings in Phoenix.
Maricopa County Sheriff Joe Arpaio says the raid that resulted in the arrests of the Upright Commercial Cleaning employees was carried out Thursday night at Arizona Department of Transportation offices near the state capitol.
Arpaio said the nine workers are immigrants who aren't in the country legally and the manager is a U.S. citizen suspected of knowing that employees were using fake documents.
A message left at the business wasn't immediately returned Friday afternoon.
The bust marks the 83rd business raid by Arpaio's office since a state law took effect in 2008 that prohibits employers from knowingly hiring people who are in the country illegally.
The raids have resulted in the arrests of more than 700 immigrants who were in the country illegally and three managers. Three businesses also have had civil cases filed against them.
Critics say Arpaio's workplace raids have led to the arrests of hundreds of workers, but have done little to hold employers accountable.
Supporters of the raids say the law has helped combat identity theft and that the fear of raids has caused employers to follow the rules.
This isn't the first time Arpaio's office has raided a government building in its workplace investigations.
In 2008, sheriff's deputies raided the city hall and a public library in Mesa to arrest members of a cleaning crew.
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