A similar thing happened to our class last semester only they were seen by some 3rd semester kids who said they couldn't ID the cheaters. If you know who they are= turn them in. I wish I would have seen those who cheated last semester. I would have ID'd them all. In public. It gave the rest of us who study hard and play by the rules a bad name. The bight side is that this will catch up to them sooner or later. The USMLE will bite them in the *** if the shelves don't first.
Its not like your in a fox hole with these losers. just keep your head in the books and all will work out.