Bonnie Dumanis, right, the San Diego County District Attorney, speaks in front of four victims related to the case against Esteban Nunez during a news conference Wednesday, May 11, 2011, in San Diego.... more 
Bonnie Dumanis, right, the San Diego County District Attorney, speaks in front of four victims related to the case against Esteban Nunez during a news conference Wednesday, May 11, 2011, in San Diego. The victims are, from left, Keith Robertson, Brandon Sheerer, Jason Fiori, and Even Henderson. The four men, who were with Luis Santos when he was fatally stabbed in 2008. The San Diego County district attorney's office announced Wednesday it is filing a civil lawsuit that seeks to nullify Arnold Schwarzenegger's commutation Nunez's prison sentence shortly before his term as California governor ended in January. less 
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Associated Press | Photo By Gregory Bull
Wed, May 11, 2011 6:00 PM EDT