On August 13, 2012, a gunman opened fire during a midnight screening of The Dark Knight Rises at a theater in Aurora, Colorado. The shooter killed 12 people and injured 70 others, making it one of the deadliest shootings in U.S. history. The attack led to a national conversation about gun control and mental health issues. The shooter, James Holmes, was later convicted and sentenced to life in prison. The tragedy remains a significant moment in the debate over gun laws in the U.S.