At about 13:00, while talking to Kate, Jack turns the page of the magazine he is reading. When the scene changes to looking over Jack's shoulder, the page hasn't changed.
The pathologist states that Polly has extensive bruising, denoting a heavy beating. The bruises are immediately explained as the incompetence of the staff in getting her on the stretcher. Post-mortem bruising is significantly different than pre-morten bruising and should be immediately apparent to the pathologist.