Whakakīhia te rerenga kōrero e whai ake nei: I te tau 2012 i whiwhi a Cockbill i tētahi wāhi i te
London Paralympics, e tohu ana i a Great Britain. I whakataetae ia i roto i nga huihuinga e rua, ka mutu i te 21 i te R4 10m Air Rifle Standing mixed SH2 me te 17 i te R5 10m Air Rifle Prone mixed SH2.