Computer Prodigy

"Boy, I've seen you standing here for quite a long time. Are you looking for someone?" The building supervisor walked out, asking him.

Lin Dong didn't reply and looked as though he made up his mind, walking toward the residential complex.

The building supervisor was puzzled, muttering under his breath.

At the same time, an aunty who was returning from her shopping saw Lin Dong and said, "Well, isn't that the child from the Lin family?" 

"Madam, you know him?" The building supervisor asked.

"It's been a few years, I almost didn't recognize him. It's Lin Xin's son. Wow, this kid caused quite a commotion at that time, scaring all of us half to death." The aunty said.

"What happened?" The building supervisor had been stationed as security not too long ago, and he asked curiously.