Don't be fooled by Justin Bieber's  boyish looks and sweet demeanor. The 16-year-old pop star could be a killer, if you believe the commercial teasing his upcoming appearance on "CSI."
In the 15-second spot, a husky voiceover says, "He's made millions of fans cry tears of joy, but this fall on 'CSI,' Justin Bieber will make you scream." Bieber dons an orange prison jumpsuit and stares ominously into the camera from his jail cell, while an older man mysteriously collapses to the ground. Was Bieber responsible for the fall? Stay tuned.
Bieber will make his acting debut on "CSI" during its Sept. 23 season premiere and make additional cameos during the season. The show's executive producer Carol Mendelsohn recently told MTV News  that the pop singer's storyline is "explosive," describing his character as "a troubled young man, raised in the foster-care system, whose hard-luck life has left him scarred and angry...at the end of the episode, we're left with the question: Is Jason a good kid stuck in a bad situation or is Jason a bad kid hiding behind his cuteness?"
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