"So you're implying that..?" The department head urged Otto to continue. The carefree tone in his voice was long gone, replaced with a serious one.
"He might be a spy," Otto said carefully. He didn't want to wrong Song Lei but that was indeed possible. They were one of the biggest organizations in the London underworld. They had a lot of enemies that would do everything they could to bring them down.
"That's indeed a possibility," the department head said.
"What should we do about him?" Otto asked.
Hearing Otto's question, the department head closed his eyes and thought for nearly fifteen seconds. Seeing him thinking deeply, Otto didn't dare to interrupt. He just kept waiting for the department head to come to a conclusion.