1. The opening scene of Goodfellas breaks conventions by not including opening music, making the film feel more realistic like a true story rather than a movie.
2. Within the first two minutes there is a killing at night, common conventions for crime thrillers.
3. The film builds suspense as the audience wonders about a strange noise from the trunk of a car, which turns out to contain a beaten man who is then brutally stabbed and shot by the gangsters.