A second person had admitted stealing from the Gros Ventre and Assiniboine tribes of the Fort Belknap Reservation in Montana.

Roxanne Gone, 54, pleaded guilty to stealing from the tribe's insurance company. Authorities said she billed $1,811 in personal expenses to a tribal credit card.

Former tribal chief executive officer Gregory Morris Powderface, 36, pleaded guilty last week to stealing more than $97,000 through an unauthorized debit card. He and Gone face prison time and fines.

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Ex-tribal employee admits theft (The Billings Gazette 11/3)

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Former executive pleads guilty to stealing from tribe (10/26)