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?
Sentence (from "Rich Hill (Bel Alton, Maryland)"): Booth and Herold left the property on April 21, crossing the Potomac River in a small boat.
Relevant evidence: No