正在播放的是《speed-demons》的高清完整版。该片是由著名导演Andrew Thibault 的一部精彩的纪录 类影视作品，主演有未知等，本片主要讲述的是When a popular honors graduate becomes an unlikely campus gunman, citizen sleuths embark across the country to investigate the metamorphosis of a respected prosecutor turned mass shooter. Their investigation exposes a government cover-up, paints a picture of corporate greed, and unravels a medical mystery linking multiple school shootings.

同时该系列还有以下影片值得推荐：《国家地理 超级工厂 欧洲战斗机》《野性安第斯》《青春夜佰味 第三季》《大卫·艾登堡：大自然的声音》《BBC地平线：谋杀之谜》《叶问外传：张天志 （幕后花絮记录）》