The National Indian Gaming Commission, which regulates Indian casinos, and a federal judge shut down the Chukchansi Gold Resort and Casino, citing safety concerns. Charges have been filed against 15 men — two tribal council members, the tribal police chief and a hired security team that included a former sheriff's deputy and onetime Marine, and a former Navy Seal. The casino remains closed — with estimated losses in the millions each week — because rivals have yet to diffuse what U.S.