卡勒拿起电话听筒，电话里传来玻璃杯盘的碰击声和顾客们嘈杂的说话声，然后一激动的声音传来：“卡勒警长，请您快来，我的店里发生了窃案，我的蓝鸟车被人偷走了。”说话的人是古董店的老板文森特。 卡勒来到文森特处，询问了许多细节，他终于明白了那蓝鸟车是一件价值昂贵的古董藏品。文森特对案件的陈述是这样的：“今天我一个人在店里，你看，我的店面在楼上，楼下是工具间，出事时我在楼下工具间，我没听见有人上楼。突然间，我感觉到楼梯上有自上而下的脚步声。转身一看，只见一个人的 Caller picks up the handset, the clap of the glass plate on the phone and the noisy voices of the customers, and an exciting voice comes: “Sergeant Culler, please come and my store takes place Stolen, my Bluebird was stolen. ”The speaker was Vincent, owner of the antique shop. Carle came to Vincent, asked many details, he finally understood that the Bluebird car is a valuable antiques collection. Vincent's statement on the case is this: "Today I am alone in the store, you see, my store is upstairs, downstairs is the tool room, I was downstairs in the accident tools, I did not hear anyone on Suddenly, I felt the stairs have a top-down footsteps. Turned around and saw a person's