Continuity mistake: While he's talking to Benson in the hospital corridor, Law's handkerchief keeps changing positions in his coat pocket from one take to the next (tucked almost all the way in, then sticking up several inches, etc.).
Continuity mistake: Law steals a chicken leg from a hospital dinner tray. It's in his right hand when he's talking to Susie and Benson. Then it isn't. Then it is again when the nurse appears to snatch it back from him.