The Cecil Hotel, where Chloe Lancel was killed, has a dauntingly dark past. In 1962, a guest jumped to his death, killing another pedestrian, and in 1964, Goldie Osgood, known as the "Pigeon Lady," died of asphyxiation in her guest room, with no history of illness. Another woman was raped and murdered in the hotel, a crime that remains unsolved.

It has been revealed that the hotel where Rancourt died is the same place where the unsolved murder mystery "The Black Dahlia" took place. The real-life 1947 murder case was a sensation in California, where actress Elisabeth Sauter was dubbed the "Black Dahlia" because of her black attire. After the death of Elisabeth Sauter, the Los Angeles Police Department devoted all its efforts to help solve the case, not because of Elisabeth Sauter's reputation, but because the murder was so bloody and horrible that it made the whole United States, especially the residents of Los Angeles, panic, and one day without catching this cruel murderer, the residents, especially the female residents of a day can not live in peace. Los Angeles Police Department took three years to investigate the case, before and after hundreds of people were investigated, during which there are a lot of people turned themselves in claiming that they are "the culprits of the destruction of the flowers", however, after investigation, none of them is the real murderer, a few years of the police Nothing to find the murderer of Elisabeth Sauter disappeared like the air, until today is still not found. To this day, they have not been found. Eventually, one of the most notorious murder mysteries in California's history was turned into the famous movie The Black Dahlia by director Brian De Palma.

Richard Ramirez, the serial killer who terrorized Los Angeles in the 1980s, was known as "The Devil in the Night". He killed 14 people between 1984 and 1985, and stayed at the Cecil Hotel for months at a time when rooms cost as little as 14 dollars a night.