www.scmp.com (Watch our interactive video series with Aaron Kwok here: www.youtube.com ) It's not the first time popular entertainer Aaron Kwok Fu-shing (éƒå¯ŒåŸŽ) has portrayed a police officer in his films, but preparing for the role of 'Lin Kwong' in Murderer was quite the challenge. In the film, Kwok's character is a chief inspector who tries to solve a murder mystery while suffering from amnesia. Throughout his investigations it appears the evidence links to him as the killer. In this ...