The assembled students were oblivious to the presence of the sharply dressed man of indeterminate age who had appeared silently in the doorway at the rear of the buzzing lecture theatre. He stood there for a few moments, surveying them with a curious mingling of desire and loathing. Then as he smoothed his greasy ponytail with one hand, he flicked a long, narrow tongue across thin lips, twisted his mouth into something approximating a smile to reveal a glimpse of abnormally pointy teeth, and made his way to the front of the room. (moreā¦)