Young Goodman Brown was dreaming
Answer: A young man planned a clever getaway from the department store.
The central idea that both "The Quinceanera" and "The Smithville Gazette: Neighborhood Thief Strickes Again" share is the fact that in both stories, a young man planned a clever getaway from the department store. Both stories feature as the main character a sales person, and they tell us the stories of their lives. However, they differ in the jewelry store setting.
Mary Brown's dog symbolizes the child in a way the police can get away with the killing even if the child or citizens are innocent.
The police showing no remorse about killing an innocent life of the dog/child demonstrates the corruption of the environment there.
Her people and herself were the working classes, comprised of both men and women.