A teenager locked up for what was described as an “extremely violent and terrifying” stranger sex attack faces more time behind bars for downloading and sharing child abuse images. Jack Usher, who was just 18 when he tried to rape a woman walking through woodland in Greatstone, appeared at Canterbury Crown Court on Thursday (August 1) where he pleaded guilty to six charges. The offences, which were committed between December 2022 and April last year and pre-dated the sex attack, concern images police categorised across all three levels of seriousness. Usher, now 19 and currently held in Elmley…