Ignoring ANY citation is never a recommended course of action, unless you're independently wealthy and don't mind driving on a suspended license facing jail time for doing so.
Red Light Tickets come in two flavors. Real red light camera tickets which direct you to appear on a date certain for your arraignment at the court where the camera is located. This other "Arizona" tickets direct you to send your fine to an address, typically a police department. This type of ticket is typically a scam BUT SHOULD NEVERTHELESS be examined by a traffic attorney
A proper response would require a thorough investigation into the history and background of this relationship. The information provided above is just that, information, to be used as you see fit.