"I believe that this movie is an amazingly beautiful movie that will change a lot of lives," film director Jon M. Chu said to an enthusiastic crowd.
The young girl vanished from a birthday party at a home in Birmingham, Alabama, on Oct. 12, and was later found dead in a landfill.
The former Washington Redskins running back was the best known of the players named by prosecutors.
Tessa Majors, 18, of Virginia, a Barnard freshman, was killed during an armed robbery in Morningside Park.
The hacker also played music and told the girl to mess up her room and break her television.