DB Cooper 是一个劫持1971年飞机的人，试图获得20万美元。 然而，他的情况的独特之处在于 库珀 只有他的化名还在，没有任何其他线索。 钱消失了，案件至今仍未解决。
这一切都始于一次普通的飞行，即西北航空公司305航班。 当库珀告诉他们他的公文包里有炸弹时，飞机上的乘客和飞行员及机组人员都感到震惊，并屈服于他的愿望。
飞行员和控制塔进行了沟通，结果按照库珀的要求，向飞机交付了20万美元和降落伞。 接下来，库珀要求飞机去墨西哥，这样他就可以跳伞了。 飞机飞得很低，以便更容易做到。
然而，库珀并没有等到他们到达墨西哥时才离开。 他在更早的时候就跳伞了，当时他们向内华达州进发。 五架不同的飞机在跟踪305航班，但他们仍然无法跟踪库珀。
See_also: 电刑 - 犯罪信息联邦调查局坚持认为库珀很可能无法存活，但既没有找到尸体，也没有找到钱，这成为美国历史上最著名的失踪案之一。
John Williams is a seasoned artist, writer, and art educator. He earned his Bachelor of Fine Arts degree from Pratt Institute in New York City and later pursued his Master of Fine Arts degree at Yale University. For over a decade, he has taught art to students of all ages in various educational settings. Williams has exhibited his artwork in galleries across the United States and has received several awards and grants for his creative work. In addition to his artistic pursuits, Williams also writes about art-related topics and teaches workshops on art history and theory. He is passionate about encouraging others to express themselves through art and believes that everyone has the capacity for creativity.