The next afternoon, Eric presented Caroline with a diamond necklace of a simple design. Caroline ran her fingers over the teardrop-shaped pendant and casually inquired, "What's the occasion for this necklace all of a sudden?" "A husband needs no reason to give his wife a gift," he said as he fastened the necklace around her neck and kissed her cheek. "And don't you take it off!" Caroline chuckled and feigned a look of delighted surprise. In the restroom, she took off the necklace and carefully pried open the pendant with her fingernail. As she suspected, there was a tiny electronic device inside, a tracking locator. With a resigned shake of her head, Caroline realized that unless she wore this thing, he would never be at ease going to Switzerland. She restored the pendant to its

