Newhall CHP officer advises he has a white Chevy Colorado following his...

Newhall CHP officer advises he has a white Chevy Colorado following his patrol car at 100mph, vehicle is in and out of lanes....currently southbound 14 at Red Rover...requesting an AV unit to respond if in area

UPDATE: officer slowing down to try and get truck to pass him for a stop

UPDATE 2: officer advises possibly an auditor, party holding phone out of window recording

UPDATE 3: party calling 911, advises he's being pulled over by CHP and is not comfortable

UPDATE 4: stop in progress

UPDATE 5: code 4, one in custody