4. The Killing of America 1982
The documentary was released in 1982 but what made this hit our top 10 list is the fact that it is made in a way that made people appreciate it and film it again at a festival in 2013. The documentary includes the criminal activities in an uncut version without any sugar coating of the real situation. The documentary shows the darkest past of US, though the crime rate and activities have decreased a lot but still it is one of the most violent parts of the world. The documentary shows it in detail the situation US was facing.