2012 Aurora, Colorado shooting

The 2012 Aurora shooting took place in Aurora, Colorado, United States, on 20 July 2012. Gunman James Eagan Holmes shot dead 12 people and wounded 58 others at "The Dark Knight Rises" premiere at a movie theater. He was arrested a few minutes later. 
Holmes was convicted in 2015 of twenty-four counts of first-degree murder, 140 counts of attempted first-degree murder, one count of possessing explosives and a sentence enhancement of a crime of violence. He was sentenced to life in prison without possibility of parole.