The document investigates Michael Moore and how his films impacted the documentary genre. It analyzes Moore's 2002 documentary Bowling for Columbine as the focus film, which controversially examined America's gun laws and the Columbine massacre. Two related films discussed are Fahrenheit 9/11 and SiCKO. Sources cited include reviews of Moore's films, box office data, interviews with Moore, and his Academy Award acceptance speech, showing how Moore used provocative styles and stances that pushed boundaries and sparked debate in documentaries.