The second appearance of Justin Bieber on CSI was closed with a tragic ending for his character Jason McCann. Like the character she played Taylor Swift at the time, also ended up dying. However, the first being a victim and the second was a bad guy in the chapter. I wrote in Twitter Bieber: "McCann is a 'badass'" not continue reading if you want to see the chapter! SPOILERS! The chapter on CBS last Thursday began with Nick Stokes McCann received a call from the coroner that warned that he was not home.