Enterprise News and Pictures 6/7/16 Pic shows: Ian Johnstone, 54, a ski instructor, former firefighter, mountain and rock climber and all-round action man, who is the partner of Sadie Hartley, 60, a company director and keen horsewoman, who was found stabbed to death at her home in Helmshore, Lancashire, in January. Ski worker Sarah Williams, 35, from Chester, is on trial at Preston Crown Court with best friend Katrina Walsh for murdering love rival Sadie Hartley using a cattle prod to paralyse her and then stabbing her 40 times in her home. Mr Johnstone is pictured here his "open" Facebook page. See story...