Federal officials will inspect the hiring records of 60 employers in San Diego to see if they employ illegal immigrants. It is part of a nationwide inspection of 1,000 businesses.
Federal officials say tips led them to the 60 businesses they'll inspect in San Diego.
Officials won't release the names of the companies. They say all are related to public safety.
John Morton is the nation's chief of Immigration and Customs Enforcement. He says the crackdown represents the Obama Administration's shift in focus to the employer.
"We are really in this to change the national enforcement perspective and to address the magnet of much of our illegal immigration to the country and that's labor here in the United States."
Two years ago, Congress members called for a get tough approach to employers before they could pass immigration reform.
Federal officials audited 39 San Diego businesses last July. They've cleared 25. Five could be fined and nine investigations are still underway.