Unsolved Mysteries: Black Dahlia

Unsolved Mysteries, the iconic series profiling real-life enigmas, was famously hosted and narrated by the distinctive voice and presence of actor Robert Stac
k, using documentary-style segments, reenactments, and calls for public tips to investigate crimes, disappearances, lost loves, and paranormal events from 1987 until its original run ended.
Real Name: Elizabeth Short
Nicknames: None (Elizabeth Short was never known as "The Black Dahlia;" this was a name the press called her after her murder.)
Location: Los Angeles, California
Date: January 15, 1947
Details: One of the most famous unsolved crime mysteries of the Twentieth Century, the mutilated remains of twenty-two-year-old Elizabeth Short were found posted in a vacant lot in the unfinished Leimert Park housing development of Los Angeles on January 15, 1947. The passerby who discovered her remains thought it was a discarded mannequin at first because the body had been neatly bisected at the waist. Across her face was a deep cut called the Glasgow smile.
Elizabeth had come to Hollywood hoping to become an actress. However, with no prospective jobs and little money, she turned to prostitution. Her last days were shrouded with mystery. It seemed as if she were constantly on the move. She was last seen at a diner in San Diego, leaving with an unidentified man. Some suspect that the man was Robert Manley, a hardware salesman who had dated her in the past. He was brought in for questioning but later cleared of any involvement in the crime. Other men who knew her were brought in; they were also later cleared.
During the investigation, the murderer taunted the police with letters, sending them a packet of Short's belongings including her birth certificate, address book, and social security card, which had been soaked in gasoline to eliminate fingerprints. Another item was her "trick book" which listed the names of her clients. One page was missing and it is assumed that the killer's name was listed on this page.
Suspects:
Robert Manley
Robert Manley was a hardware salesman who had dated Elizabeth in the past. Some believe that he was the unidentified man who was last seen with her before she vanished. He was known to have mental instability, which also made him suspicious. He was considered a suspect until his alibi was established for January 14 and 15.
Dr Walter Bayley
Dr Walter Bayley who knew Elizabeth's older sister, Virginia. It is theorized that Dr Bayley's degenerative brain disorder which symptoms include homicidal ideation/behaviour in even pacifists. What we do know about Elizabeth is that before her murder she was short on cash and constantly moving. She may have contacted Dr Bayley, a surgeon who specialized in liposuction, hysterectomies and amputations. We also know that Elizabeth wasn't shy about asking for money and she often tried to gain some through a sympathetic sob story that her husband had died in World War II and she miscarried. While she did have a lover who died at war, she was never pregnant.
Walter had a son, named Walter Jr. who died in a car accident. It is hypothesized that since he is a doctor, he saw through Elizabeth's lie and acted in a fit of rage. Police and psychologists agree that the murderer must have had to sustain his anger for quite some of time, meaning she must have touched on something that really upset him. Coincidentally, Walter Jr.'s birthday is on January 14, the day before Elizabeth's body was found. It was rumoured Walter Jr. liked clowns, which explains the Glasgow Grin.