Dave Cullen is an acclaimed American author and journalist, best known for his comprehensive works on major societal issues. His groundbreaking book, "Columbine," offers a deep and insightful analysis of the tragic school shooting and has been hailed as a definitive narrative on the event. Cullen has been praised for his meticulous research and thoughtful storytelling. His other notable work, "Parkland," explores the aftermath of the 2018 school shooting in Parkland, Florida, focusing on the student-led movement for gun control. Alongside his books, Cullen's articles appear in prominent publications, reflecting his commitment to in-depth and investigative journalism.