We see footage from the film "Elephant" in which a young man shoots several students and an administrative figure. We briefly see some non-bloody bullet holes on the back of a student.
We see video footage of the aftermath of the Columbine High School massacre where we see the floor littered with pools of blood.
We see countless clips from various video games deemed overly-violent, ranging in explicitness. We see some blood splatters and gore, gunfire, and fistfights, though most are not particularly disturbing or realistic.
We briefly see footage of a few Japanese anime cartoons, with one clip showing a woman's hand being cut in half with a knife and her blood squirting on to the face of the attacker.
We see footage from a 1959 TV commercial where a small child fires test shots on an assault rifle as his parents watch happily.
We see brief footage of various wars, notably the Civil War and the War in Afghanistan. In the Civil War footage, we see soldiers with bloody bullet holes laying on the ground. In the Afghanistan footage, we see explosives being set off, tanks shooting, and gunfire.
We see footage of the Dawson college massacre in Montreal as a young man describes being shot in the arm six times and shows scars and bullet wounds. He also says his girlfriend was shot and we see footage of a young woman being carried out on a stretcher as bystanders scream and cry in sadness.
We see footage of a video game simulation of the assassination of John F. Kennedy. When he is shot we see blood splatter and a flap of skin come off his skull.
We see footage of a game called "9/11 Survivor" in which two men are trapped in the burning World Trade Center towers. Both men jump out of the towers and we see their bloody body parts splatter on to the pavement. We also see footage of the film "World Trade Center" where we see a human body dropping from the burning towers.