Hello ChristopherElliottK,
Thank you for using Apple Support Communities. It's my understanding that your wife received an opened a phishing email about an Apple purchase. I can definitely see how this could be concerning. I'm happy to help.
Please forward the email to reportphishing@apple.com. If you have any concerns that her Apple ID or accounts have been compromised, the steps in the following resource can help:
If you think your Apple ID has been compromised
Take a look at the resources below for more information:
Identify legitimate emails from the App Store or iTunes Store
Recognize and avoid phishing messages, phony support calls, and other scams
Have a wonderful day!