returning to strangers on a train, the a-team felt they were closing in on their mission to find kate waring, but there were more surprises ahead. once again, keith morrison. reporter: the early sun had cooked the marshes of watt mala island. they shared a car to the city and road in silence most of the way, confident the precise directions heather kamp had given them were correct this time. so this was it. it was somehow fitting that bobby, the one they called the human bloodhound, was the first to spot her. and i saw what looked like an animal path where animals or something had pretty much beat down the bush. so i walked out to the animal path and started walking