The containment system had been designed by the greatest minds in the country. Keeping the animals in their pens were twin layers of barbed wire fencing with enough electricity surging through them to stun a herd of elephants. Cognizant of the dangers of reliance on the public grid, the park was powered by an off-grid system with enough reserve battery charge to keep the park operational for a week in the event of national disaster. Practically every potential security weakness had been rigorously guarded against, save for one....