Boy enters bus barefoot, driver immediately calls the police

Delay 

The officer opened the door to the room again and told Margaret that unfortunately his supervisor was busy with another case, so it could take a while. He asked if he could do anything for her. Rather annoyed, Margaret demanded that she be taken back to the boy. 

The officer on duty was shocked by the request. It seemed like he was trying to hide something. Margaret’s fantasy ran wild. Was there a reason they were set apart?