Question: Rudolf “Rudi” Fehr helped edit what American crime mystery film directed by Alfred Hitchcock?

Context paragraphs:
The Girl (2012 TV film): The Girl is a 2012 British television film directed by Julian Jarrold, written by Gwyneth Hughes and produced by the BBC and HBO Films.  The film stars Sienna Miller as Tippi Hedren and Toby Jones as Alfred Hitchcock.  It is based on Donald Spoto's 2009 book, "Spellbound by Beauty: Alfred Hitchcock and His Leading Ladies", which discusses British-born film director Hitchcock and the women who played leading roles in his films.  "The Girl"' s title was inspired by Hitchcock's alleged nickname for Hedren.

Union City (film): Union City is a 1980 American crime mystery film starring Dennis Lipscomb, Deborah Harry and Everett McGill.  It was based on the short story "" by Cornell Woolrich and released by The Tuxedo Company and Columbia Pictures on May 17, 1980.

A Night of Adventure: A Night of Adventure is a 1944 American crime mystery film directed by Gordon Douglas.  It stars Tom Conway, Audrey Long, and Edward Brophy.

The Champagne Murders: The Champagne Murders (French: Le scandale ) is a 1967 French suspense thriller mystery film directed by Claude Chabrol and starring Anthony Perkins.  It was the first of two films that Chabrol made with Perkins, who is most famous for his role in "Psycho" directed by Alfred Hitchcock, whom Chabrol admires above all other directors.

Rudi Fehr: Rudolf “Rudi” Fehr, A.C.E. (July 6, 1911 – April 16, 1999) was a German-born, American film editor and studio executive.  He had more than thirty credits as an editor of feature films including "Key Largo" (1946), "Dial M for Murder" (1954), and "Prizzi's Honor" (1985).  He worked for more than forty years for the Warner Brothers film studio, where he was the Head of Post-production from 1955 through 1976.  Fehr was instrumental in establishing the 1967 "sister city" connection between Los Angeles and Berlin, which he had fled in the 1930s.

Dial M for Murder: Dial M for Murder is a 1954 American crime mystery film directed by Alfred Hitchcock, starring Ray Milland, Grace Kelly, Robert Cummings and John Williams.  It was filmed in 3-D with the technology that was available at the time, and is often considered one of the greatest 3D films ever made.  The screenplay and the successful stage play on which it was based were written by English playwright Frederick Knott.  The play premiered in 1952 on BBC Television, before being performed on stage in the same year in London's West End in June, and then New York's Broadway in October.  The movie was released by Warner Bros., though due to the then-waning popularity of 3D films, it was converted to 2D, and only showed in its native 3D format in a small handful of cinemas.

Torchy Blane in Chinatown: Torchy Blane in Chinatown is a 1939 American crime mystery film directed by William Beaudine.  The film stars Glenda Farrell and Barton MacLane.  It was released on February 4, 1939.  This is the seventh film in the Torchy Blane movie series by Warner Bros. and is followed by "Torchy Runs for Mayor".  The rivalry between newspaper reporter Torchy Blane and her boyfriend, Lieutenant Steve McBride, escalates as the two investigate a death threat involving priceless jade tablets.

Herbert Brean: Herbert Brean (10 December 1907 – May 7, 1973) was an American journalist and crime fiction writer, best known for his recurring series characters William Deacon and Reynold Frame.  He was a director and former executive vice president of the Mystery Writers of America, a group for which he also taught a class in mystery writing.  Aside from his seven mystery crime novels, he also published non-fiction books and articles, and mystery magazine short stories.  Alfred Hitchcock used "A Case of Identity" (1953), one of Brean's many articles for "Life", as the basis for Hitchcock's film "The Wrong Man" (1957).

Blondes at Work: Blondes at Work is a 1938 American crime mystery film directed by Frank McDonald and written by Albert DeMond.  The film stars Glenda Farrell and Barton MacLane.  This is the fourth film in a series of Torchy Blane movies by Warner Bros.  It was released on February 6, 1938.  The film is followed by "Torchy Blane in Panama".

The Vicar of Vejlby (1922 film): The Vicar of Vejlby (Danish: Præsten i Vejlby ) is a 1922 Danish crime mystery film directed by August Blom.  It is also known as The Hand of Fate.  The silent film is based on a novella by Steen Steensen Blicher about a true murder case from 1626.  The story was adapted later by George Schnéevoigt (see Praesten i Vejlby (1931 film)), and again by Claus Ørsted (see Praesten i Vejlby (1972 film)).  Blom's version remains the most faithful to the original literature.  In addition, Blom filmed on location in the village of Vejlby, using the Vejlby Church.

Supporting paragraphs: Rudi Fehr Dial M for Murder
Answer: Dial M for Murder