“At break of day I rose and hastened to the gymnasium, to which I obtained admittance by a key similar to that provided every member of the football team. At the gymnasium I made a close inspection of the pilfered lockers, being there to obtain a clew of some sort, a desire which was amply rewarded. Within the locker of the plaintiff, Bernard Hayden, I discovered, attached to the end of a protruding nail, a shred of cloth apparently torn from the coat-sleeve of some person who had reached into that locker. I seized upon it with avidity, for I was assured it would prove of vast importance in the solution of the dark and baffling mystery.”