Investigations Bureau
Lieutenant Lt. Martin (925) 779-6972 rbmartin@antiochca.gov
Sergeant Sgt. Colley (925) 779-6894 jcolley@antiochca.gov
Acting Sgt/SIU A/Sgt Vanderpool (925) 779-6948 jvanderpool@antiochca.gov 
SIU Det. Becerra (925) 779-6876 abecerra@antiochca.gov 
SIU Det. Palma (925) 779-6937 kpalma@antiochca.gov 
Sexual Assault Det. Allen (925) 779-6923 aallen@antiochca.gov
Violent Crimes Det. Duffy (925) 779-6884 aduffy@antiochca.gov
Violent Crimes Det. Gragg (925) 779-6889 rgragg@antiochca.gov
Violent Crimes Det. Jeong (925) 779-6933 jjeong@antiochca.gov
Crime Stats Crime Analyst Raney (925) 779-6813 mraney@antiochca.gov 
Property & Evidence CSO Chalk (925) 779-6979 schalk@antiochca.gov
Property & Evidence CSO Johnson (925) 779-6979 gjohnson@antiochca.gov
Property & Evidence CSO Ward (925) 779-6979 cward@antiochca.gov
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