Woule it be wrong if I called the police on my aunt for drunk driving instead of confronting her?

In 2019 we had a party at my moms house for my brother's birthday party. My aunt was there and when she was about to leave, I noticed she was drunk. I begged her to let me drive her home. She agreed. Well, my moms dog had a medical emergency, so I took him to the vet, and told my aunt to stay put. When I got back, I found out that she drove home. She texted me a lot and told me she was sorry, but I ignored her. I finally started talking to her again maybe 5 months ago. I've seen her drunk multiple times but she hasn't driven. Well, she really needs money so my mom is paying her to clean the bathrooms. My aunt is here right now cleaning the bathrooms, and she is drunk. I don't want to get in another argument with her, so I was just gonna get her license plate number, and car type, and call the cops when she leaves. I think she needs to learn her lesson and get a dui.

Woule it be wrong if I called the police on my aunt for drunk driving instead of confronting her?
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