 Billy Jensen is a true crime journalist in Southern California. You hear East Area Rapist slash Original Night Stalker. Nobody knows what that is. The East Area Rapist, Original Night Stalker, Erons for short, not a very memorable name, but he's one of the most prolific criminals California has ever seen. She started looking at the devastation that this guy wrought. You're taunting the police, you're taunting the population, and you're never caught. Michelle McNamara had found her nemesis.