Question: True Confessions was a film that was based on the murder case that occurred in what city?

Context paragraphs:
Ashikaga murder case: The Ashikaga murder case (足利事件 , Ashikaga jiken ) occurred in the city of Ashikaga, Tochigi Prefecture, Japan.  A 4-year-old girl went missing from a pachinko parlor on May 12, 1990 and was found dead at the Watarase River nearby.  This case is part of the North Kanto Serial Young Girl Kidnapping and Murder Case.

True Confessions of a Hollywood Starlet: True Confessions of a Hollywood Starlet is a Lifetime Television comedy-drama film, based on a young adult novel of the same name by author Lola Douglas.  The film stars Joanna "JoJo" Levesque and Golden Globe Award winner Valerie Bertinelli.  The film was directed by Tim Matheson.  It premiered on August 9, 2008 on Lifetime.

Ghost Stories (magazine): Ghost Stories was a U.S. pulp magazine that published 64 issues between 1926 and 1932.  It was one of the earliest competitors to "Weird Tales", the first magazine to specialize in the fantasy and occult fiction genre.  It was a companion magazine to "True Story" and "True Detective Stories", and focused almost entirely on stories about ghosts, many of which were written by staff writers but presented under pseudonyms as true confessions.  These were often accompanied by faked photographs to make the stories appear more believable.  "Ghost Stories" also ran original and reprinted contributions, including works by Robert E. Howard, Carl Jacobi, and Frank Belknap Long.  Among the reprints were Agatha Christie's "The Last Seance" (under the title "The Woman Who Stole a Ghost"), several stories by H.G. Wells, and Charles Dickens' "The Signal-Man".  The magazine was initially successful, but began to lose readers, and in 1930 was sold to Harold Hersey.  Hersey was unable to reverse the magazine's decline, and "Ghost Stories" ceased publication at the start of 1932.

Six States Installation of Minister murder: The "Six States Installation of Minister" murder case () was a dramatic murder case that occurred in Hong Kong during the 1950s.  The case was sensationalised by the media at the time, and was considered to be one of the most serious murder cases at the time.

The Scarab Murder Case (film): The Scarab Murder Case is a 1936 film directed by Michael Hankinson.  It is part of a series of films about fictional detective Philo Vance.  Paramount Pictures intended for William Powell to portray the character, as he had in three prior Paramount films - "The Canary Murder Case" (1929), "The Greene Murder Case" (1929) and "The Benson Murder Case" (1930) - as well as "The Kennel Murder Case" (1933) for Warner Bros. However, Powell changed studios, and the role went to Wilfrid Hyde-White.

Middle Finger Protests: Middle Finger Protests, also known as Human Rights Protection Group, is a Chandigarh-based human rights organization, protest group and NGO led by Prabhloch Singh.  The organization received its name from the protests during the Jessica Lal murder trial.  It is also the organization behind the protests in the Sippy Sidhu murder case and has been active in various protests, including the Jyoti murder case, Aarushi murder case and 2012 Delhi gang rape case.The group has flourished into an organization that has been challening societal ills, while showing immense courage under pressure.

Black Dahlia: Elizabeth Short (July 29, 1924 – January 14 or 15, 1947), known posthumously as "The Black Dahlia", was an American woman who was found murdered in the Leimert Park neighborhood of Los Angeles, California.  Her case became highly publicized due to the graphic nature of the crime, which entailed her corpse having been mutilated and severed at the waist.

True Confessions of a Heartless Girl: True Confessions of a Heartless Girl received the Governor General's Literary Award in 2002 and is Martha Brooks' seventh novel for young adults.  Martha Brooks is a Canadian award-winning novelist, playwright, jazz singer and author of short fiction.  Some of her other novels are: "Andrew's Tree", "Being with Henry", "Bone Dance", "I Met a Bully on the Hill", "Mistik Lake", "Traveling On into the Light", "Two Moons in August", "Paradise Café and Other Stories", and "Queen of Hearts".  "True Confessions of a Heartless Girl" tells the story of Noreen Stall, a troubled and possibly pregnant seventeen-year-old girl who stumbles upon the town of Pembina Lake after stealing her boyfriend's truck and savings.

The True Confessions of Adrian Albert Mole: The True Confessions of Adrian Albert Mole, Margaret Hilda Roberts and Susan Lilian Townsend is the third book in the Adrian Mole series, written by Sue Townsend.  It focuses on the worries and regrets of a teenage (supposed) intellectual.  The title is long and often shortened to the more convenient "The True Confessions of Adrian Albert Mole" but the three names are part of the full title and represent fictional (or otherwise) actual content of the book.

True Confessions (film): True Confessions is a 1981 crime film directed by Ulu Grosbard, The film stars Robert De Niro and Robert Duvall as the brothers Spellacy, a priest and police detective.  Produced by Chartoff-Winkler Productions, it adapted from the novel of the same name by John Gregory Dunne, and loosely based on the Black Dahlia murder case of 1947.  Dunne wrote the screenplay with his wife, novelist Joan Didion.

Supporting paragraphs: True Confessions (film) Black Dahlia
Answer: Los Angeles