Sic Semper Tyrannis

Sic Semper Tyrannis is a challenge added in the Fallout: New Vegas add-on Gun Runners' Arsenal.

Obtaining
Kill President Kimball with any one-handed pistol.

Behind the scenes

 * The name of this challenge is a reference to the assassination of Abraham Lincoln. The assassin, John Wilkes Booth, yelled the phrase after shooting the President in 1865, but was believed to have been coined by Marcus Junius Brutus on his assassination of Julius Caesar in 44 B.C.
 * The phrase is Latin for "Thus always to tyrants".
 * It is also the state motto of Virginia.