FBI Oakland bribery case: Defendant took secret, compromising videos of politicians, records showBombshell court filings in the FBI corruption case against ex-Oakland Mayor Sheng Thao, her partner, and the owners of California Waste Solutions. Bombshell court filings in the FBI corruption case against ex-Oakland Mayor Sheng Thao, her partner, and the owners of California Waste Solutions. Bombshell court filings in the FBI corruption case against ex-Oakland Mayor Sheng Thao, her partner, and the owners of California Waste Solutions. OAKLAND, Calif. (KGO) -- Bombshell court filings in the FBI bribery and corruption case against former Oakland Mayor Sheng Thao, her partner, and the owners of California Waste Solutions. Prosecutors and the defendants - including former Oakland Mayor Sheng Thao -- are arguing over what evidence the jury should see.