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FBI agents searched the offices of the Los Angeles Department of Water and Power and City Atty. Mike Feuer on Monday, as part of an investigation into the city’s handling of lawsuits filed over the disastrous 2013 rollout of a new billing system at the utility — and the inaccurate customer bills that were resulted from it.

An FBI representative confirmed that warrants had been served at multiple locations, including the headquarters of the DWP, the city’s water and power utility.

The FBI would not characterize the investigation. But Rob Wilcox, Feuer’s spokesman, said the warrants issued to employees in the city attorney’s office are connected to the city’s settlement of a class action lawsuit that was filed over the inaccurate DWP bills.

Feuer also said the warrants are related to a separate lawsuit filed by the DWP and city against PricewaterhouseCoopers, the consulting firm that implemented the new billing software at the utility.

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