A news person reporting from the scene wouldn't be privy to that information
But they would be aware that she was extremely strong, otherwise the report would be about HOW she managed to do so much damage instead of the fact that she has. Describing her as Pop star turned bodybuilder , or stating that the drug test was for supper steroids for example would be perfectly in line with a news report, which normally give a little bit of background info, and would indicate to anyone reading the story that we are not talking about the pop star we know in real life.