Tracie Peterson 
Beneath a Harvest Sky (Desert Roses Book #3) 

As a Harvey tour guide, Rainy Gordon spends her days in the magnificent landscape of New Mexico. Having already fled a tainted past, Rainy is alarmed when she becomes a suspect in an investigation of stolen Hopi Indian artifacts. The man she loves has been secretly asked to assist the law enforcement groups in finding the thief. When all evidence points in her direction, will the truth be revealed in time?