謀殺案

根據(jù)以上資料，請你推理看看，誰是兇手？如能解開其中之謎，你就有潛質(zhì)成為密探了。

One luxurious ferry was sailing in the Pacific. One morning， a female body was found on the back deck. 一艘豪華客輪正在太平洋上航行。一天早晨，在船尾的甲板上發(fā)現(xiàn)了一具女尸。

The dead is a fashion designer Jane， who was killed by a knife. The death time was 23:00 the night before. 死者是以服裝設(shè)計為職業(yè)的簡，她是被人用刀刺死的。死亡時間約在前一晚23時左右。

The ferry was sailing in the middle of Pacific. Even if the murdered had a lifeboat， it was difficult for him or her to survive. So the murdered must be staying on the ferry. Why did he or she leave the body? If fact， there were two persons who had the motivation to kill Jane. 客輪正航行在太平洋的中央，即使想利用救生艇逃走，也不見得保住性命，所兇手應(yīng)該仍然留在客輪上，但兇手為什么要留下尸體呢？事實上，旅客之中，有兩個人具有謀殺簡的動機。

Jim was the nephew of the dead， and he was also the Heir. But he was addicted to gambling and he was is deep debt. 吉姆——被害人之侄，也是遺產(chǎn)的繼承人。因為嗜賭如命，欠了別人一屁股債。

Lucy was the dead’s secretary， who was fired because of occupation of public funds. 露絲——被害人之秘書，由于侵占公款，被剛剛革職不久。