It's wrong to like hearing kids cry.
Sammy is working tonight at a haunted house as a zombie, and his job involves chasing certain targets to scare them.
Sammy wants to do his job well.
Sammy observes groups from afar before attacking the person most nervous in the group.
Sammy only targets children because he enjoys scaring them.
Sammy is invited to work at the haunted house next year.
Sammy's pay is docked when customers complain about his performance.