The group's leader, Tex McDonald, 64, surrendered Monday to the Madera County Sheriff's Office along with three other suspects, Sheriff John Anderson said in a news release. Another man was arrested Sunday.
Erica Stuart, a spokeswoman for the Sheriff's Office, said deputies remain on the lookout for 12 others wanted on charges that include kidnapping, false imprisonment and assault with a firearm. Bail for McDonald was set at $1 million.
The charges relate to a dispute between rival factions of the Picayune Rancheria of the Chukchansi Indians vying for control of the Chukchansi Gold Resort & Casino northeast of Fresno.
The group has said it sought to obtain financial records to complete overdue audits.
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A federal judge has ruled in favor of the state's attorney general to keep the casino closed until the dispute is settled. The National Indian Gaming Commission also ordered the casino closed.
Madera County District Attorney Michael Keitz told the Fresno Bee the charges make each defendant eligible for a state prison sentence. He announced the charges Friday, saying the suspects can surrender or be arrested.