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Lil' Twist -- Justin Bieber's lackey -- was ARRESTED for DUI in Calabasas, CA early this morning ... while behind the wheel of Justin's famous chromed out Fisker Karma ... TMZ has learned.
Law enforcement sources tell us ... 20-year-old Twist -- real name Christopher Lynn Moore -- was pulled over for speeding around 3:30 AM on Parkway Calabasas, while en route to Bieber's mansion.
When officers approached the car, they believe Twist appeared to be under the influence of a substance ... but we're told he DID NOT appear to be drunk.
Twist was arrested and hauled to a nearby station where he was booked for DUI.
Story developing ...
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Source : http://www.tmz.com/2013/07/11/lil-twist-justin-bieber-sidekick-arrested-for-dui/