Question: Samuel Holloway Bowers, is a former Ku Klux Klan Imperial Wizard, was a convicted murderer and leading white supremacist activist in Mississippi during the Civil Rights Movement, he committed two notorious murders of civil rights activists, including who, which was a leader with the Civil Rights Movement and president of the Forrest County chapter of the NAACP in Hattiesburg, Mississippi?

Context paragraphs:
Hiram Wesley Evans: Hiram Wesley Evans (September 26, 1881 – September 14, 1966) was Imperial Wizard of the Ku Klux Klan, an American white supremacist group, from 1922 to 1939.  A native of Alabama, Evans attended Vanderbilt University and became a dentist.  He operated a small, moderately successful practice in Texas until 1920, when he joined the Klan's Dallas chapter.  He quickly rose through the ranks and was part of a group that ousted William Joseph Simmons from the position of Imperial Wizard, the national leader, in November 1922.  Evans succeeded him and sought to transform the group into a political power.

Second Enforcement Act of 1871: The Enforcement Act of 1871 (17 Stat.  13 ), also known as the Civil Rights Act of 1871, Force Act of 1871, Ku Klux Klan Act, Third Enforcement Act, or Third Ku Klux Klan Act, is an Act of the United States Congress which empowered the President to suspend the writ of habeas corpus to combat the Ku Klux Klan (KKK) and other white supremacy organizations.  The act was passed by the 42nd United States Congress and signed into law by President Ulysses S. Grant on April 20, 1871.  The act was the last of three Enforcement Acts passed by the United States Congress from 1870 to 1871 during the Reconstruction Era to combat attacks upon the suffrage rights of African Americans.  The statute has been subject to only minor changes since then, but has been the subject of voluminous interpretation by courts.

Samuel Bowers: Samuel Holloway Bowers (August 25, 1924 – November 5, 2006), Former Ku Klux Klan Imperial Wizard, was a convicted murderer and leading white supremacist activist in Mississippi during the Civil Rights Movement.  In response to this movement, he co-founded a reactionary organization, the White Knights of the Ku Klux Klan.  Bowers committed two notorious murders of civil rights activists in southern Mississippi: The 1964 murders of Chaney, Goodman, and Schwerner near Philadelphia, for which he served six years in federal prison; and the 1966 murder of Vernon Dahmer in Hattiesburg, for which he was sentenced to life in prison 32 years after the crime.  He also was accused of bombings of Jewish targets in the cities of Jackson and Meridian in 1967 and 1968 (according to the man who was convicted of some of the bombings, Thomas A. Tarrants III).  He died in prison at the age of 82.

Deacons for Defense and Justice: The Deacons for Defense and Justice was an armed African-American self-defense group founded in November 1964, during the civil rights era in the United States, in the mill town of Jonesboro, Louisiana.  On February 21, 1965--the day of Malcolm X's assassination--the first affiliated chapter was founded in Bogalusa, Louisiana, followed by a total of 20 other chapters in this state, Mississippi and Alabama.  It was intended to protect civil rights activists and their families.  They were threatened both by white vigilantes and discriminatory treatment by police under Jim Crow laws.  The Bogalusa chapter gained national attention during the summer of 1965 in its violent struggles with the Ku Klux Klan.

Wade Watts: Wade Watts (23 September 1919 – 13 December 1998) was an African American gospel preacher and civil rights activist from Oklahoma.  He served as the state president of the Oklahoma chapter of the NAACP for sixteen years, challenging the Ku Klux Klan through Christian love doctrine.  He worked with Thurgood Marshall and developed a friendship with Martin Luther King during the American civil rights movement, and has been cited as a mentor by the current leader of the NAACP in Oklahoma, Miller Newman, and his nephew, former congressman, J. C. Watts.

Vernon Dahmer: Vernon Ferdinand Dahmer, Sr. (March 10, 1908 – January 10, 1966) was a leader with the Civil Rights Movement and president of the Forrest County chapter of the NAACP in Hattiesburg, Mississippi.

White Patriot Party: The White Patriot Party (WPP) was an American anti-Semitic white supremacist paramilitary political party associated with Christian Identity and the Ku Klux Klan.  It was led by its founder, Frazier Glenn Miller Jr., through various organizational incarnations.  The organization began in the mid-1970s as the Carolina Knights of the Ku Klux Klan.  It was involved in the incident in Greensboro, North Carolina, when a confrontation between Klansmen, Nazis and communists left five people dead.  The organization became the Confederate Knights of the Ku Klux Klan in the early 1980s and the White Patriot Party in 1985.

Alabama Chapter of the Communist Party USA: The Alabama Chapter of the Communist Party USA (CPUSA) was one of the most influential political bodies organizing poor African-Americans in the South during and after the Great Depression.  Started with just two members, the Alabama chapter CPUSA was established in Birmingham Alabama in 1928, and remained active until it was forced underground by Ku Klux Klan (KKK) and police repression, and was disbanded when it was outlawed in 1951.  During the height of Jim Crow and the Great Depression, the Alabama CPUSA organized some of the poorest African-American communities in the country, and was successful in leading organization drives in multiple industries including the Sharecroppers' Union, mine, mill, and industrial workers, as well as leading numerous campaigns to organize unemployed workers.  The Alabama CPUSA also played a vital role in organizing African-Americans during a period where many activists would later become leaders of the emerging Civil Rights Movement.  Ashbury Howard, who later was a significant leader in Alabama during the Civil Rights Movement, and Rosa Parks, who would later commit an act of civil disobedience launching the Montgomery Bus Boycott, were both trained and active with the Alabama CPUSA.

Ku Klux Klan auxiliaries: Ku Klux Klan auxiliaries are organized groups that supplement, but do not directly integrate with the Ku Klux Klan.  These auxiliaries include: The Women of the Ku Klux Klan, The Jr.  Ku Klux Klan, The Tri-K Girls, the American Crusaders, The Royal Riders of the Red Robe, The Ku Klux balla, and the Klan's Blind Colored Man auxiliary.

White Knights of the Ku Klux Klan: The White Knights of the Ku Klux Klan are considered the most militant as well as the most violent chapter of the Ku Klux Klan in history.  They originated in Mississippi in the early 1960s under the leadership of Samuel Bowers, its first Grand Wizard.  The White Knights of Mississippi were formed in 1964, and they included roughly 200 members of the Original Knights of Louisiana.  The White Knights were not interested in holding public demonstrations or in letting any information about themselves get out to the masses.  Similar to the United Klans of America (UKA), the White Knights of Mississippi were very secretive about their group.  Within a year, their membership was up to around six thousand, and they had Klaverns in over half of the counties in Mississippi.  But by 1967, the number of active members had shrunk to around four hundred.

Supporting paragraphs: Samuel Bowers Vernon Dahmer
Answer: Vernon Dahmer