question mark kid

The professor looked at the sign-in sheet and, where everyone else had written their names, Cho had written a question mark.
"Is your name, 'Question mark?'" classmate Julie Poole recalled the professor asking. The young man offered little response.

Cho spent much of that class sitting in the back of the room, wearing a hat and seldom participating. In a small department, Cho
distinguished himself for being anonymous. "He didn't reach out to anyone. He never talked," Poole said.

"We just really knew him as ," Poole said.