Getting the current user that is impersonating another user

Is there a way besides going to the System Logs mentioned in the below article to identify if the user who is viewing the form is being impersonated by another user?

https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB0717055

So for example, if Beth Anglin is impersonating Abel Tuter and have viewed INCXXXXXXXX. Is there a way in getting Beth Anglin's Sys ID?