The first sightings were north of Cairns, in the Christian Kropp knows what he saw. It was unmistakable. Not only that, it happened twice. We’re talking about the Tasmanian tiger. Christian, 36, has been going deep into the Barrington Tops wilderness for years. “Being a Maitland boy and coming from a large family of six, we were always camping,” he said. “We know this place like the back of our hands.” We reported last week that researcher Rex Gilroy believed the Tasmanian ti