Capitol Hill Massacre

Date: March 25, 2006 • Location: Seattle, United States

A gunman in Seattle, Washington, U.S., entered a rave afterparty and opened fire, killing six and wounding two, before committing suicide.

Seattle is the most populous city in the U.S. state of Washington and the Pacific Northwest region of North America. It is the 18th-most populous city in the United States with a population of 784,777 in 2025, while the Seattle metropolitan area at over 4.15 million residents is the 15th-most populous metropolitan area in the nation. The city is the county seat of King County, the most populous county in Washington. Seattle's growth rate of 21.1% between 2010 and 2020 made it one of the country's fastest-growing large cities.