Oxnard 5/14/08 David K. Yamamoto/Special to the Star The police chief of Oxnard, John Crombach shakes hands with Helen Conover and her huband Josh Conover who lost their son-in-law, Police Officer John Adair, killed on duty in 1980, after ninth annual Police Memorial Ceremony, Wednesday, May 14, 2008 in Oxnard, Calif.