You decide to follow the figure, thinking that they wouldn't be able to see you. You followed them to another house, where they picked the lock and stepped inside. You watched in horror as they pulled out a small vial of liquid, and poured a bit of it on to the residents, causing them to shrink down to a tiny size. The figure pulled out a bag, and put the people into it one by one. But at the last person, they paused, then decided to swallow the victim whole.
Then, the figure turns around and...