But isn't that how some interviews for medicine are? She might have gotten flustered and maybe changed a few facts (which quite a lot of people do as it's hard to remember pre-prepared answers when you're in that interview scenario). And honestly, you have no case without any proof unless you decide to get a confession out of her on tape, and even THAT would border on desperation. I think you should forget about it and just hope that karma does its work (if what you're saying IS true). Medics have to competitive by nature, especially during uni, so honestly, she probably just realised her whole future was on the line and decided to do whatever it took to make sure it didn't slip away.