Old Metairie Mystery Book Club - Cave of Bones by Anne Hillerman

This month's book is Cave of Bones by Anne Hillerman. 

When Tribal Police Officer Bernadette Manuelito arrives to speak at an outdoor character-building program for at-risk teens, she discovers chaos. Annie, a young participant on a solo experience due back hours before, has just returned and is traumatized. Gently questioning the girl, Bernie learns that Annie stumbled upon a human skeleton on her trek.