He decided that, since the bank vault was located in the basement, the break-in would best be achieved by digging underneath from a nearby sewer system.
As the thud of mortar rounds shook the adjacent street and the rattle of machine guns came from nearby, the rebel fighters advanced under sniper fire from the surrounding rooftops.
Their house, designed by 3sixty Technology of Henderson, Nevada (of which Mr Johnstone is a director) and built in the aptly named neighbourhood of Mountain Helix, revolves completely, once an hour.
Scott is delighted to get food advice from a physician who is program director of the nearby Mary and Dick Allen Diabetes Center, part of the St. Joseph Hoag Health alliance.