From journalist Amber Hunt and the Obsessed Network
In 1859, two of Washington, D.C.'s highest-profile men were in love with the same woman -- and that love triangle would lead to the broad-daylight shooting of one of them just a stone's throw from the White House. The victim had been the first-born son of Francis Scott Key, author of the lyrics to America's national anthem. And his killer would be the first in the country to argue a defense of temporary insanity.