Johnson Space Center shooting: William Phillips with a handgun barricades himself in NASA's Johnson Space Center in Houston, Texas before killing a male hostage and himself.

The Johnson Space Center shooting was an incident of hostage taking that occurred on April 20, 2007 in Building 44, the Communication and Tracking Development Laboratory, at the Lyndon B. Johnson Space Center (JSC) in Houston, Texas, United States. The gunman, William Phillips, an employee for Jacobs Engineering who worked at Building 44, shot and killed one person and took a hostage for over three hours before committing suicide. Police said Phillips was under review for poor job performance and he feared being dismissed.