Question:  Reclaiming History was written by the attorney who was in which county DA's office?
Context: Rosemary Lehmberg (born c. 1949) is an American attorney who was the District Attorney of Travis County, which includes the capital city of Austin, Texas.  She began working in the District Attorney's office in 1976.  She headed many Divisions of the DA's office, establishing the Travis County Children's Advocacy Center, and was called "The Best Lawyer for Children's Issues" by "The Austin Chronicle".  In 2009, she became the first female District Attorney in Travis County, and has been cited by her supporters as heading one of the best DA offices in the United States.  Lehmberg served eight years as Travis County’s district attorney before retiring in January 2017. Rodric Anthony Pacheco (born May 7, 1958), usually known as Rod Pacheco, is an American politician.  He served in the Riverside County District Attorney's Office as a Deputy District Attorney, Chief Deputy District Attorney, Assistant District Attorney and then as District Attorney from 2007–2010 in Riverside County, California.  He served in the California State Assembly from 1996–2002.  He served as Republican leader from November 5, 1998 – April 6, 1999.  Pacheco was defeated on June 8, 2010, in his bid for a second term as Riverside County District Attorney.  In January 2011, SNR Denton, a global law firm, announced Pacheco would join the firm and serve in its Los Angeles office.  Pacheco became a Partner in Litigation, White Collar, and Public Policy Public Strategies Practice Groups at SNR Denton in January 2011.  Pacheco left SNR Denton in October 2014 to join Theodora Oringher PC.  Pacheco was recruited by Theodora Oringher PC to form and lead the White Collar/Internal Investigations Practice Group for the firm. The Dallas County District Attorney is the elected, or appointed by the Texas Governor in the event of a vacancy, district attorney (DA) of Dallas County, Texas.  Currently, this position is held by Faith Johnson, a Republican appointed by Texas Governor Greg Abbott, after Susan Hawk, who was elected as a Republican in 2014, resigned in 2016.  The office prosecutes offenses under Texas state law classified as felonies, Class A and B misdemeanors, appeals of Class C misdemeanors (punishable by fine only), and Class C misdemeanors filed in the Justice of the Peace courts, generally by non-municipal police agencies.  (Federal law violations are prosecuted by the U.S. Attorney for the United States District Court for the Northern District of Texas). Vincent T. Bugliosi, Jr. ( ; August 18, 1934 – June 6, 2015) was an American attorney and "New York Times" bestselling author.  During his eight years in the Los Angeles County district attorney's office, he successfully prosecuted 105 out of 106 felony jury trials, which included 21 murder convictions without a single loss.  He was best known for prosecuting Charles Manson and other defendants accused of the seven Tate–LaBianca murders of August 9–10, 1969.  Although Manson did not physically participate in the murders at Sharon Tate's home, Bugliosi used circumstantial evidence to show that he had orchestrated the killings. Joshua Minkler is an American attorney.  Currently serving as the interim United States Attorney for the United States District Court for the Southern District of Indiana, he has been nominated by President Donald Trump to become the permanent U.S. Attorney for the same district.  Prior to becoming interim U.S. Attorney in June 2015, Minkler served for 21 years as an Assistant U.S. Attorney in the Southern District of Indiana, where he held the positions of First Assistant United States Attorney and Chief of the Drug and Violent Crime Unit.  Before he joined the U.S. Attorney's office, Minkler served for five years as an assistant prosecuting attorney in the office of the Kent County, Michigan prosecuting attorney, where he prosecuted violent crimes. Madeline Singas is the District Attorney of Nassau County, New York.  She is an American attorney and a member of the Democratic Party.  Upon taking office as Acting DA in January 2015, Singas became the first Greek-American and the second woman to become the top law enforcement official of Nassau County.  She was elected in November of that year and took office for a four-year term in January 2016. The District Attorney of Los Angeles County is the district attorney (DA) for Los Angeles County, California, United States.  The DA's office prosecutes felony and misdemeanor crimes that occur within the county.  The current district attorney is Jackie Lacey. The Cook County State's Attorney functions as the district attorney for Cook County, Illinois, and heads the second largest prosecutor's office in the United States.  The office has nearly 900 attorneys and 1,600 employees, and has an annual operating budget of approximately $131 million for fiscal year 2010.  The assistant state’s attorneys in the office prosecute all misdemeanor and felony crimes committed in Cook County.  In addition to direct criminal prosecution, the State’s Attorney’s Office files legal actions to enforce child support orders, protect consumers and the elderly from exploitation, and assist thousands of victims of domestic violence every year. William Hawthorne "Bill" Wirskye is a prominent Texas prosecutor who is currently the Second Assistant District Attorney in the Collin County District Attorney's Office in Collin County, Texas.  Wirskye is best known for being the lead prosecutor who tried the Kaufman County DA murders, which ultimately resulted in the death penalty for the defendant, former Justice of the Peace of Kaufman County, Eric Williams.  Before that, he was a Dallas County prosecutor for 12 years. Reclaiming History: The Assassination of President John F. Kennedy is a book by attorney Vincent Bugliosi (Norton, 2007; 1,632 pages; ISBN  ) that analyzes the events surrounding the assassination of John F. Kennedy, focusing on the lives of Lee Harvey Oswald and Jack Ruby.  The book is drawn from many sources, including the Warren Report.  Bugliosi's 1,632-page, 1,535,791-word book (with a CD-ROM containing an additional 1,000+ pages of footnotes) analyzes all aspects of the assassination and the rise of the conspiracy theories about Kennedy's assassination in the years subsequent to the event.  Bugliosi argues that the Warren Commission's conclusion that Lee Oswald acted alone in shooting Kennedy is correct.  The book won the 2008 Edgar Award for the Best Fact Crime category.
Answer: Los Angeles County