From your facts, it appears that the summons was issued in the name of the registered owner. If you are moving out of country, consider hiring an AZ lawyer to appear on your behalf to resolve this matter. Good luck.
DISCLAIMER I do not practice law in your State. This answer is provided solely for informational purposes only. This answer does not constitute legal advice, create an attorney-client relationship, or constitute attorney advertising.
Radar can give rise to defenses that can be raised. Photo evidence does too. You need to be represented by an attorney skilled in these matters, though, to take advantage of any potential defenses.
Negotiating a resolution acceptable to you given the circumstances of your case will take an attorney familiar with the policies and procedures of the court to increase that likelihood.
Check with a lawyer in your locale to discuss more of the details.
Good luck to you.
NOTE: This answer is made available by the out-of-state lawyer for educational purposes only. By using or participating in this site you understand that there is no attorney client privilege between you and the attorney responding. This site should not be used as a substitute for competent legal advice from a licensed professional attorney that practices in the subject practice discipline and with whom you have an attorney client relationship along with all the privileges that relationship provides. The law changes frequently and varies from jurisdiction to jurisdiction. The information and materials provided are general in nature, and may not apply to a specific factual or legal circumstance described in the question.