LOS ANGELES (KABC) -- A federal judge has unsealed 33 FBI search warrants related to an investigation into the Los Angeles Department of Water and Power and the City Attorney's office.
It stems from a botched launch by DWP of a new billing system in 2013.
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It cost taxpayers hundreds of millions of dollars.
As a result a former attorney working for the city and two top DWP officials pleaded guilty to federal bribery and extortion charges.
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Questions still remain over roles other city officials played in the misconduct.