The six inmates were made to "strip down naked" then roughly searched with gloves, the investigator wrote.
"The victims reported that they did not willingly go into the bathroom, but did so out of fear for their safety because of threats of violence," the investigator wrote. "Foy and Hunter and their 'group' are known for jumping people and beating them up.
"Video shows the victims exiting the cell, putting their clothing back on and/or adjusting their clothing."
Foy started the search, then Hunter took over, according to the affidavit.
Oklahoma County Jail video captures assault
Threats made demands for the return of the ring and "walked through the pod waving her arms around, directing people to go to cell 11," according to the affidavit. Martinez gave a black latex glove to Foy for the search.