I'm not sure how that says "someone else told her to do it", but even if it was true, the point still stands: She did it, no one else did. You didn't, I didn't

I'm not sure how that says "someone else told her to do it", but even if it was true, the point still stands: She did it, no one else did. You didn't, I didn't. If other intern would have did it, then we would be having the same conversation about that other intern.