Commentary #1: This evidence underscores Mary Maloney's sudden and drastic change in behavior, transitioning from passivity to committing a violent act without hesitation. The use of the "Big frozen Lamb leg" as a weapon highlights the unexpected and shocking nature of her actions, setting the tone for the rest of the story.
Commentary #2: This passage illustrates Mary's calculated attempt to conceal her crime by proceeding with her usual domestic tasks after committing the murder. Her deliberate actions, such as turning the oven on high and placing the pan inside, suggest her efforts to establish an alibi and maintain normalcy despite the heinous act she has just committed.
