In 2015, Casey Hammer, the only grand-daugher of billionaire businessman Armand Hammer, self published a memoir called "Surviving My Birthright," where she shared shocking secrets of the violence, addiction and abuse growing up in the powerful Hammer family. Despite her compelling story, no-one paid Casey's disclosures much attention until years later when her nephew, actor and Hollywood Golden Boy, Armie Hammer, made headlines with his increasingly bizarre, violent text messages.