sentences:  The investigation found that Castaneda paid his rent and didn't ask for special treatment.O'Toole told the grand jury the perjury charges are warranted because Castaneda should be held accountable for 'lying about the facts'; even if no crime was uncovered...Castaneda has been vocal about O'Toole's investigations, saying they are politically motivated.He contended that Dumanis conspired with Chula Vista Mayor Cheryl Cox, his political rival in the 2006 mayoral primary."