Michael Moore is an American liberal filmmaker and social critic known for documentaries that explore political and social issues. His films Fahrenheit 9/11 and Bowling for Columbine were among the highest-grossing documentaries ever and both won major awards, with Bowling for Columbine winning the Academy Award for Best Documentary Feature. These films examined the George W. Bush administration's response to the 9/11 attacks and the causes of mass shootings in the United States, respectively.