Barbara Rumpel, a businesswoman and member of the NRA Leadership Form, posted Sunday, confirming that her daughter and granddaughter died in the crash.
The teen s 1994 death spurred John Rumpel to invest in a piece of real estate that would make him millions, while creating a multimillion-dollar institution that served as his daughter s namesake.
Two US fighter jets scrambled to intercept a private plane that had strayed into the restricted territory, creating the sonic boom reverberating over Washington DC on Sunday.