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L.A.'s infamous Cecil Hotel has seen its fair share of death. But few know it housed some of the most violent killers. While staying at The Cecil, one intrepid journalist is hot on the trail of L.A.'s latest murderer, resident Richard Ramirez.

Canadian tourist Elisa Lam goes missing after checking into the Cecil Hotel, becoming the latest victim in a long line of murders, suicides and unexplained deaths at Los Angeles' most notorious hotel.

A man and woman are found lying in blood on the sidewalk outside the Cecil Hotel, and, to investigators, it looks as though they both fell or were pushed out of a ninth-floor window.