Hacker's mother makes plea to Brown, Obama Summary: Janis Sharp appeals to the leaders of the UK and the US to halt the extradition of her son By Tom Espiner | August 6, 2009 -- 11:25 GMT (04:25 PDT) Follow @tomespiner Loading... Please wait. Janis Sharp makes an appeal to Barack Obama and Gordon Brown to step in to stop her son Gary McKinnon being extradited to the US to face charges of hacking military systems. Topic: Security Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.