Footage showed officer ‘rocking’ as he was dragged behind car

Chilling footage of the last moments of PC Andrew Harper’s life showed him ‘rocking’ behind the car which dragged him to death before disappearing from view, a court heard. The newlywed officer, 28, became tangled in a tow rope attached to a getaway car while trying to stop thieves stealing a quad bike last August 15. Henry Long, 19, drove the SEAT Toledo more than a mile through Bradfield Southend, Berkshire, with the Thames Valley policeman lassoed by his feet…