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The attorney you contacted is correct, you likely do have a civil suit (both for fraud and more accutely for "financial abuse of an elder"). You can try contacting a few other attorneys and see if they are willing to accept your case on a "contingency basis" - meaning they will pursue the suit against this individual with no out of pocket money for you (they advance their services and costs of litigation), in exchange for a portion of your recovery. If I were in your position, I wouldn't advise spending a lot of money out of pocket to try to pursue this yourself (these cases may have a high value attached to them, but recovery is often difficult).
You can find local attorneys using the State and local Bar Association directories, or private directories such as www.AVVO.com; www.FindLaw.com; or www.Martindale.com (I personally find www.AVVO.com to be the most user friendly).
You can also file a complaint with the state Attorney General (here: https://www.azag.gov/complaints), keep in mind, the AG"s office will look into the matter and pursue administrative and/or criminal sanctions against the individual, but they will not recover your money for you (that is not their role).