David Edgar Herold was an accomplice of John Wilkes Booth in the assassination of Abraham Lincoln on April 14, 1865. After the shooting, Herold accompanied Booth to the home of Dr. Samuel Mudd, who set Booths injured leg. The two men then continued their escape through Maryland and into Virginia, and Herold remained with Booth until the authorities cornered them in a barn. Herold surrendered but Booth was shot and died a few hours later. Herold was sentenced to death and hanged with three other conspirators at Washington Arsenal.
David E. Herold was born in Maryland, the sixth of eleven children of Adam George Herold and Mary Ann Porter . Adam and Mary were married on November 9, 1828 in Washington, D. C. 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 overyears. Herolds family was welloff financially and lived in a large brick house at 636 Eighth Street S. E. in Washington, D. C. near the Washington Navy Yard. David attended Gonzaga College High School, Georgetown College, Charlotte Hall Military Academy , and the Rittenhouse Academy. In 1860 Herold received a certificate in pharmacy from Georgetown College. He then worked as a pharmacists 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.
Source: Wikipedia