Lee Harvey Oswald

Lee Harvey Oswald was the sniper assassin of President John F. Kennedy. He was arrested after murdering a police officer an hour later. Two days later, he was murdered by Mob gangster Jack Ruby.

Modus Operandi
Oswald used a Italian Carcano M91/38 bolt-action rifle to kill President Kennedy. He used a revolver to kill Tippit.

Victims

 * John F. Kennedy
 * J.D. Tippit

On Criminal Minds
While not mentioned, Oswald's mugshot was briefly shown in L.D.S.K. and Won't Get Fooled Again