Mary Papenfuss has worked as an editor at the New York Post, the New York Daily News, Associated Press in San Francisco and Salon.com, and has written for People magazine in Paris, Ozy, the International Business Times, and Reuters. She's the author of Climb Against the Odds: Celebrating Survival on the Mountain, and Killer Dads: The Twisted Motives that Compel Fathers to Murder their Own Kids.