April 4, 2009, in Pittsburgh, Pennsylvania: 23 year-old Richard Poplawsk opened fire on officers during a domestic disturbance call Saturday morning, killing three of them, a police official said.
April 4, 2009: Binghamton, N.Y: Jiverly Voong aka Jiverly Wong?13 people in a shooting rampage inside a New York State immigration services centre
March 29, 2009: Robert Stewart, 45, shot and killed eight people at Pinelake Health and Rehab in Carthage, North Carolina, before a police officer shot him and ended the rampage.
March 29, 2009: Indian techie Devan Kalathat, 42, shot and killed his two children and three other relatives, then killed himself in an upscale neighbourhood of Santa Clara, California. Kalathat’s wife was critically injured.
March 21, 2009: Lovelle Mixon, 26, shot and killed four Oakland, California, police officers after a traffic stop. Mixon was killed in a shootout with SWAT officers.
March 10, 2009: Michael McLendon, 28, killed 10 people – including his mother, four other relatives, and the wife and child of a local sheriff’s deputy – across two rural Alabama counties. He then killed himself.