Question: Of the bothers featured in the 2014 American true crime sports drama film produced by Bennett Miller, which was a seven-time World and Olympic medalist?
Context: Valentin Yordanov Dimitrov (Bulgarian: Валентин Йорданов Димитров ; born January 26, 1960), also transliterated Jordanov, is a retired Bulgarian freestyle wrestler who competed in the up to 52 kg weight class.  He is an Olympic gold medalist, seven-time world champion, seven-time European champion, and the only wrestler to hold 10 medals (seven gold, two silver and one bronze) from world championships. James Jessen Badal (born 1943) is an American true crime writer.  He is also an assistant professor in English language and journalism at Cuyahoga Community College.  His true crime works include a book about the disappearance of Beverly Potts and three books about the Cleveland Torso Murders case.  According to his first book about the latter, "In the Wake of the Butcher", he took an interest in the case while still in elementary school, when his teacher of history in the 8th grade gave his class a two-day lecture about the murders.  As of 2014, he is working on a book about the unsolved murder of 16-year-old Beverly Jarosz, committed in Garfield Heights, Ohio in 1964. Harold Schechter is an American true crime writer who specializes in serial killers.  He is a professor of American literature and popular culture at Queens College, City University of New York.  Schechter’s essays have appeared in numerous publications including "The New York Times, The Wall Street Journal, The Los Angeles Times", and the "International Herald Tribune".  He is the editor of the Library of America volume, "True Crime: An American Anthology".  His newest book, "The Mad Sculptor" (about a sensational triple murder at Beekman Place in New York City in 1937), was published in February 2014. David Leslie "Dave" Schultz (June 6, 1959 – January 26, 1996) was an American Olympic and world champion freestyle wrestler, a seven-time World and Olympic medalist.  He coached individuals and teams at the college level and also privately.  He was shot and killed by John Eleuthère du Pont, a millionaire philanthropist who sponsored the private Foxcatcher wrestling team at an amateur sports center, known as Foxcatcher Farm, he set up on his estate in Pennsylvania. Esther Ruth Lofgren (born February 28, 1985, in Long Beach, California) is an American rower and an Olympic gold medalist.  She won gold medal in the women’s eight at the 2012 Summer Games in London.  Lofgren is a graduate of Harvard College, where she rowed for Radcliffe Crew and was a two-time All-American.  She is an eight-time member of the U.S. National Rowing Team, a current World Record holder in the women’s eight, and a seven-time World Championship medalist. Kōhei Uchimura (内村 航平 , Uchimura Kōhei , born January 3, 1989, in Kitakyushu, Fukuoka Prefecture) is a Japanese artistic gymnast.  He is a seven-time Olympic medalist (all-around, team, and floor exercise), winning three golds and four silvers, a 19-time World medalist (all-around, team, floor, high bar, and parallel bars) and is considered by many to be the greatest gymnast of all time.  He is known for becoming the first gymnast (male or female) to win every major all-around title in a single Olympic cycle.  He accomplished this feat twice by winning six world all around titles (2009, 2010, 2011, 2013, 2014 and 2015) and the 2012 Olympic and 2016 Olympic all-around titles.  Uchimura is also 2008 Olympics All-Around silver medalist.  He is also known for delivering difficult and accurately executed routines.  His gymnastics skills were praised by "International Gymnast Magazine" as a "combination of tremendous difficulty, supreme consistency and extraordinary elegance of performance." Kathryn Casey is an American true crime writer, novelist and journalist.  Author Ann Rule has called her "one of the best in the true crime genre."  She is best known for writing "She Wanted It All", which recounts the case of Celeste Beard, who married an Austin multimillionaire only to convince her lesbian lover, Tracey Tarlton, to kill him. Foxcatcher is a 2014 American true crime sports drama film produced and directed by Bennett Miller.  Written by E. Max Frye and Dan Futterman, the film stars Steve Carell, Channing Tatum, and Mark Ruffalo.  The film's plot is loosely based on the events surrounding multimillionaire Du Pont family heir and wrestling enthusiast John du Pont's 1986 recruitment of 1984 U.S. Olympic gold medalist brothers Mark (Freestyle Wrestling - 82 kg) and Dave Schultz (Freestyle Wrestling - 74 kg) to help coach U.S. wrestlers for participation in national, world, and Olympic competition, and the subsequent murder of Dave by John du Pont in January 1996.  Although the film's action is largely set at Foxcatcher Farm, du Pont's now-broken-up 800-acre suburban Philadelphia estate, the majority of the movie was filmed in the Pittsburgh metropolitan area. True Detective (originally True Detective Mysteries) is an American true crime magazine published from 1924 to 1995.  It initiated the true crime magazine genre, and during its peak from the 1940s to the early 1960s it sold millions of copies and spawned numerous imitators. Law & Order True Crime is an American true crime anthology series that premiered on September 26, 2017 on NBC.  The series was ordered by NBC on July 15, 2016, and is created by Dick Wolf as part of the "Law & Order" franchise.  The eight-episode first season, titled Law & Order True Crime: The Menendez Murders, is a dramatization of the trial of Lyle and Erik Menendez who were convicted in 1996 for the murder of their parents, Jose and Kitty Menendez.
Answer: David Leslie "Dave" Schultz