2004 Chai Soua Vang, a 35-year-old Hmong immigrant and naturalized U.S. citizen, shot eight people while deer hunting east of Birchwood in northern Wisconsin.
2005 - Seven people were killed and four wounded when Terry Michael Ratzmann opened fire at a Living Church of God service at the Sheraton Hotel in Brookfield. Ratzmann, a 44-year-old computer technician, then committed suicide (Wisconsin) (hotel not posted).
2005 - Tacoma Mall, Dominick Maldonado injured 6, then kidnapped 4. CCW responded by yelling at Maldonado, but with no gun deployed. The CCW was subsequently shot multiple times.
2005 - Courthouse Square, Tyler, Texas, David Hernandez Arroyo Sr. killing 2 and wounding 4. Mark Wilson responded from his residence above the square and was killed after wounding Arroyo and being credited with saving lives. As this happened outside of the courthouse, Arroyo expected law enforcement and wore a fragmentation vest and ballistic vest.
2007 - Youth with a Mission Center and New Life Church shootings by Matthew J. Murray (Colorado), killing 2 and injuring 2 at YWAM and later that day killing 3 (including self) and injuring 3 at New Life. Before the suicide, was shot by former police officer and volunteer security for the church).
2008 - Dallas' LBJ Freeway Shooting Spree happened 3 days before Christmas. Jorge Lopez and William Scott Miller were killed by former Utah highway patrolman Brian Smith. Smith attempted to shoot people in several vehicles, injuring at least two others. He later shot himself and died the next day.
2008 - Skagit County Shooting Spree, Isaac Zamora killed 6 including a deputy and injured two more during a shooting spree near his home and during a high speed chase on I-5.
2009 - Lakewood, WA, four cops killed in coffee shop by Maurice Clemmons.
2009 - Michael Kenneth McLendon went on a shooting spree spanning 2 counties in southern Alabama, killing 10 other than himself. Along the way, he shot at various people and vehicles and even stores such as Wal-mart and Piggly Wiggly.
2009 - Carthage, NC, Robert Stewart killed 8 in nursing home shooting (where his wife worked) and 3 officers were injured as well.
2009 - Six people, including one student, were shot in a drive-by shooting at a community rally on the campus of Texas Southern University, Houston. (outside areas, streets, etc. not gun-free zones).
2011 - Giffords shooting, Tucson, AZ. Jared Loughner opened fire, killing 6, wounding 13, plus there was 1 additional non-gunfire injury that resulted. CCW person responded to late to be of any use with a gun.
2011 - Eduardo Sencion killed 5 (including self), wounded 7 at a Carson City, NV IHOP.
2011 - Detroit Police Station, Lamar Moore opened fire from in front of the counter, then hopped the counter, shooting 4 officers (none died).
2012 - Café Racer, Ian Stawicki killed 4 and wounded the chef before leaving and later attempting to carjack a woman, killing her.