Does anyone else think that most students/residents/attendings would smell that guy from a mile away? He would not have been left alone, nor would he have been allowed anywhere near anything sharp. They sniffed out Munchausen's Syndrome by proxy the week before and launched a complex sting operation to catch the mom, but the next week they let this guy wander all over the floor. Overall, I thought the episode was well-written, but if you back up and look at it, could this really happen on your rotations?