视频介绍
美国连环杀手--Samuel Little
参考资料：
https://en.wikipedia.org/wiki/Samuel_Little
https://www.bbc.com/news/world-us-canada-46384197
https://www.fbi.gov/news/stories/samuel-little-most-prolific-serial-killer-in-us-history-100619
https://www.thedailybeast.com/samuel