近年来，交通运输业得到迅猛发展，随之引发了一系列新的问题，如运输过程中的敲诈、抢劫、甚至杀害司机劫车的恶性案件。特别是客运、货运的钱款、货物较集中，容易达到抢劫目的，更易引发此类案件。这些犯罪活动既影响社会安定，危害人民生命财产安全，又造成巨大经济损失，? In recent years, the rapid development of the transportation industry has led to a series of new problems, such as extortion, looting and even vicious killings of drivers and robbers during transport. In particular, passenger transport, freight money, goods are more concentrated, easy to achieve the purpose of robbery, more easily lead to such cases. These criminal activities both affect social stability, endanger people’s lives and property, and cause enormous economic losses?