"A Los Angeles hotel with a haunting history. A missing young woman. A disturbing video followed by a shocking discovery. A cold-case mystery that has become an internet phenomenon--and for one determined journalist, a life-changing quest toward uncomfortable truths. Twenty-one-year-old Vancouver student Elisa Lam was last heard from on January 31, 2013, after she checked into downtown L.A.'s Cecil Hotel--a 600-room building with a nine-decade history...