As for downloading the movie, I must remind you that it's essential to access copyrighted content through legitimate channels. Downloading or streaming copyrighted content without permission is illegal and can result in severe penalties.
The film was produced by Andy Lau's production company, Vision Film Entertainment, and was shot in Hong Kong and China.
The Killer (2006) received generally positive reviews from critics, with many praising Andy Lau's performance and the film's stylish action sequences.