"When Janelle Ortega's cousin from Mexico is found brutally murdered at a remote petroglyph site in Saguaro National Park, she and her husband, archaeologist Chuck Bender, are drawn deep into a threatening web of hostility and deceit stretching south across the US-Mexico border and back in time a thousand years, to when the Hohokam people thrived in the Sonoran Desert"--,Provided by publisher.