Question: John Harrison Surratt, Jr. (April 13, 1844 – April 21, 1916) was accused of plotting with John Wilkes Booth to kidnap US President Abraham Lincoln, his mother, Mary Elizabeth Jenkins Surratt, was an American boarding house owner who was convicted of conspiracy and hanged by the US government, she was hanged and became the first woman executed by who?

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Henry Rathbone: Henry Reed Rathbone (July 1, 1837 – August 14, 1911) was a United States military officer and diplomat who was present at the assassination of President Abraham Lincoln.  Rathbone was sitting with his fiancée, Clara Harris, next to the President and his wife, Mary Todd Lincoln, when John Wilkes Booth entered the president's box at Ford's Theatre and fatally shot Lincoln in the head.  When Rathbone attempted to prevent Booth from fleeing the scene, Booth stabbed and seriously wounded him.

Finis L. Bates: Finis Langdon Bates (August 22, 1848 – November 29, 1923) was a Memphis, Tennessee, lawyer and author of "The Escape and Suicide of John Wilkes Booth" (1907).  In this 309-page book, Bates claimed that John Wilkes Booth, the assassin of U.S. President Abraham Lincoln, was not killed by Union Army Soldiers on April 26, 1865, but successfully eluded capture altogether, and lived for many years thereafter under a series of assumed names, notably John St. Helen and David E. George.

Mary E. Surratt Boarding House: The Mary E. Surratt Boarding House in Washington, D.C. was the site of meetings of conspirators to kidnap and subsequently to assassinate U.S. President Abraham Lincoln.  It was operated as a boarding house by Mary Surratt from September 1864 to April 1865.

Lincoln assassination flags: The Lincoln assassination flags were the five flags which decorated the presidential box of Ford's Theatre, and which were present during John Wilkes Booth's assassination of U.S. President Abraham Lincoln on April 14, 1865.  Lincoln and his wife, Mary Todd Lincoln, were in this box watching a production of "Our American Cousin".  Booth's spur was allegedly caught by one of the flags when he began his escape from the theatre and broke his leg; this part of the story, however, is disputed.  Three of the flags were American flags and the other two were Treasury Guard flags.  According to Civil War historians, three of these five original flags are currently accounted for.

The Lincoln Conspiracy (film): The Lincoln Conspiracy is a 1977 film directed by James L. Conway that dramatizes certain conspiracy theories concerning the 1865 assassination of U.S. President Abraham Lincoln.  The film, which was based on the 1977 book of the same name by David W. Balsiger and Charles E. Sellier Jr., starred Robert Middleton as Secretary of War Edwin M. Stanton, John Dehner as Col. Lafayette C. Baker, Bradford Dillman as John Wilkes Booth, and John Anderson as Lincoln.

John Surratt: John Harrison Surratt, Jr. (April 13, 1844 – April 21, 1916) was accused of plotting with John Wilkes Booth to kidnap US President Abraham Lincoln and suspected of involvement in the Abraham Lincoln assassination.  His mother, Mary Surratt, was convicted of conspiracy and hanged by the US government; she owned the boarding house that the conspirators as a safe house and to plot the scheme.

Mary Surratt: Mary Elizabeth Jenkins Surratt (1820 or May 1823 – July 7, 1865) was an American boarding house owner who was convicted of taking part in the conspiracy to assassinate U.S. President Abraham Lincoln.  Sentenced to death, she was hanged and became the first woman executed by the US federal government.  She maintained her innocence until her death, and the case against her was and is controversial.  Surratt was the mother of John H. Surratt, Jr., who was later tried but was not convicted of involvement in the assassination.

David Herold: David E. Herold was born in Maryland, the sixth of 11 children of Adam George Herold (June 6, 1803 – October 6, 1864) and Mary Ann Porter (January 8, 1810 – February 16, 1883).  Adam and Mary were married on November 9, 1828 in Washington, DC.  David was their only son to survive to adulthood.  His father Adam was the Chief Clerk of the Naval Storehouse at the Washington Navy Yard for over 20 years.  Herold's family was well-off financially and lived in a large brick house at 636 Eighth Street SE in Washington, D.C., near the Washington Navy Yard.  David attended Gonzaga College High School, Georgetown College, Charlotte Hall Military Academy (at Charlotte Hall, St. Mary's County, Maryland), and the Rittenhouse Academy.  In 1860 Herold received a certificate in pharmacy from Georgetown College.  He then worked as a pharmacist's assistant and as a clerk for a doctor, and was an avid hunter.  He became acquainted with John Surratt while attending classes at Charlotte Hall Military Academy in the late 1850s.  A few years later, in December 1864, Surratt introduced him to John Wilkes Booth.

Surratt House Museum: The Surratt House (also known as the Mary Surratt House and the Surratt House Museum) is a historic house and house museum located at 9110 Brandywine Road in Clinton (formerly Surrattsville), Prince George's County, Maryland, United States.  The house is named for John and Mary Surratt, who built it in 1852.  Mary Surratt was hanged in 1865 for being a co-conspirator in the Abraham Lincoln assassination.  It was acquired by the Maryland-National Capital Park and Planning Commission (M-NCPPC) in 1965, restored, and opened to the public as a museum in 1976.

Rich Hill (Bel Alton, Maryland): Rich Hill, near Bel Alton, Maryland, was owned by Colonel Samuel Cox, a Confederate sympathizer during the American Civil War.  Following the assassination of President Abraham Lincoln on April 14, 1865, Cox hid assassin John Wilkes Booth and his companion, David Herold, in a swamp near Rich Hill.  Booth and Herold left the property on April 21, crossing the Potomac River in a small boat.

Supporting paragraphs: John Surratt Mary Surratt
Answer: US federal government