AP Photo / Cliff Owen
"As a dad with three daughters, is there some place I can sign?" he asked.
He then reiterated his support for the petition on Twitter.
It's true: I'm not a #Belieber. "Senator Mark Warner offers to sign petition to deport Justin Bieber" http://t.co/KQwY6hcN1a
— Mark Warner (@MarkWarner) February 4, 2014