Norma Sanchez, a council member of the Confederated Tribes of the Colville Reservation, points out where in 2017, she says, she saw three state troopers stopping cars near where tribal land overlaps …Norma Sanchez, a council member of the Confederated Tribes of the Colville Reservation, points out where in 2017, she says, she saw three state troopers stopping cars near where tribal land overlaps …