Diamond Cut Diamond Diamond Cut Diamond
A passenger recounts a New York to Albany journey where a suave thief shares a seat, leaves a satchel, and later swaps a real necklace for a spurious one. Police trap a rendezvous, and a concealed tunnel leads to a deserted house, ending the case with the criminals escaping into a tunnel system. The note reveals no clear motive or payoff, leaving the outcome unresolved.