剧情介绍
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.
问：纪录片《speed-demons》什么时候上映的/免费播放的？
答：纪录片《speed-demons》上映播出时间：2018 【美国 】播出
问：纪录片《speed-demons》的演员表名单？
答：纪录片《speed-demons》是由未知主演的，豆瓣评分和口碑都很不错。