Why Mark David Chapman Killed John Lennon

The Beatles icon was murdered by Mark David Chapman on December 8, 1980, in a death that shocked the world and continues to inspire grief, anger and wonder.

Trial Begins Over Russian Ambassador Assassination

Andrei Karlov was shot during a press conference, allegedly by 22-year-old Mevlut Mert Altinas, who screamed, "Don't forget Aleppo! Don't forget Syria!" immediately after the killing.