Chris Christie never turned in cell phone during 'Bridgegate' investigation: feds
New Jersey Gov. Chris Christie on ABC's This Week (ABC/Screenshot)

What happened to Christie's Bridgegate cell phone?

TRENTON -- What happened to the cell phone Gov. Chris Christie was using during the lane closures at the George Washington Bridge is becoming a crucial part of the criminal defense of a key Bridgegate defendant. During a Monday afternoon Statehouse press conference, the governor told reporters it "doesn't matter to me" if defense attorneys for…