Why were the materials about the murder of Kennedy were not available due to copy
The head of the book "History of Intellectual Property in 50 Objects" Almost exactly 58 years ago, Lee Harvey Oswald shot the US President John F. Kennedy, acting alone-this was the official investigation, based on the film of Abraham Porger, an amateur operator who became one of the eyewitnesses of this event. However, ordinary Americans were able to see this 26-second film only 35 years later, because the film itself and the film shot on it were guarded by copyright.