A bell is rung 21 times during a memorial service at the Tacoma Dome on December 8, 2009 in Tacoma, WA. Tina Griswold along with sergeant Mark Renninger, officer Ronald Owens and officer Greg Richards were shot and killed at a coffee shop in the Tacoma suburb of Parkland, November 29 by Maurice Clemmons, who was later shot and killed by police. Jim Bryant Photo. ©2010. ALL RIGHTS RESERVED.