For nearly a century the Cecil Hotel in Downtown Los Angeles has been linked to some of the city's most notorious activity, from untimely deaths to housing serial killers. In 2013 college student Elisa Lam was staying at the Cecil when she vanished, igniting a media frenzy and mobilizing a global community of internet sleuths eager to solve the case. Lam's disappearance, the latest chapter in the hotel's complex history, offers a chilling and captivating lens into one of LA's most nefarious settings.