"Shadow Man" by James D. Doss (a Charlie Moon mystery) - set in Colorado, a Ute Indian who is  the owner of a huge ranch and is a part time private detective on the side gets a client who has been involved in a robbery of millions of dollars from a drug smuggling cartel.    Charlie's aging aunt is a shaman who has powers that include being visited by those who have departed from their life on this earth.  This book has some twists and turns that are not revealed until the last few chapters.  It was an interesting read and I would recommend it to anyone who likes mysteries.