An Indiana animal-show operator thought they were coming home to relax after a long day of work, only to discover a 2-foot alligator named Irwin had slipped from an enclosure. The creature remained missing for days, leaving nearby residents uneasy. What happened? UPI reported that Mark Kohlhorst, who runs Mark's Ark animal show in Auburn, Indiana, discovered Irwin had escaped after he got home from a show and began putting the animals away. He …