Rosie tells Henry that she made a plaster of her own face and it was blank , just like Henry 's .
However , Rosie shows up in a Zorro costume with a white mask on and yells at McCleary that she 's the killer .
Rosie tells Henry that Rosie made a plaster of Rosie 's own face and it was blank , just like Henry 's .
However , Rosie shows up in a Zorro costume with a white mask on and yells at McCleary that she 's the killer .