Heiress Dorothy Arnold: Vanished on Fifth Avenue

In today's episode, we’re traveling back to New York City in the winter of 1910, when a young woman from one of Manhattan’s wealthiest families stepped out of her home for an ordinary afternoon of shopping. She was seen buying chocolates. She stopped at a bookstore. She spoke casually with a friend on Fifth Avenue. And then, somewhere among the crowded streets of one of the largest cities in the world, socialite and heiress Dorothy Arnold simply vanished.