Narcotics Investigation Concludes with Major Drug, Cash, and Firearm Seizures in San Luis Obispo County
SAN LUIS OBISPO COUNTY, CA — “In May of 2025, the San Luis Obispo County Sheriff’s Office Narcotics Unit served several search warrants relating to a three-month investigation of the sales and distribution of illegal narcotics within San Luis Obispo County. At the conclusion of the investigation, detectives seized approximately 3 kilograms of cocaine, 14 pounds of methamphetamine, approximately $80,000.00 in US currency, and 11 firearms. The drug trafficking organization was based out of Northern San Luis Obispo County with ties to Southern California and Mexico.
The Sheriff’s Office would like to thank the San Luis Obispo County District Attorney’s Office, the San Luis Obispo County Probation Department, and the Atascadero Police Department for their assistance with this investigation.
The following individuals have been charged in relation to this investigation:
- JORGE CASTANEDA: PC 182(A)(1)- conspiracy, HS 11370.4- (sales enhancement over 1 kilogram of narcotic), HS 11352(B)- transport for sale-controlled substance from non-contiguous county to another.
- CARLOS RIOS: PC 182(A)(1)- conspiracy, HS 11370.4(A)- sales enhancement over 1 kilogram of narcotic (cocaine), HS 11378- possess controlled substance for sale, HS 11370.4 (B)- enhancement over 1 kilogram methamphetamine, HS 11351- possess controlled substance for sale.
- BIANCA SUDIAS NAVARRO: PC 182(A)(1)- conspiracy, HS 11370.4- (sales enhancement over 1 kilogram of narcotic), HS 11352(B)- transport for sale-controlled substance from non-contiguous county to another, HS 11351- possess controlled substance for sale.
- ALEXIS NUSICO ISIDRO: PC 182(A)(1)- conspiracy, HS 11370.4- (sales enhancement over 1 kilogram of narcotic), HS 11352(B)- transport for sale-controlled substance from non-contiguous county to another, PC 12022.1- commit felony while released on bail.
- ANTHONY TRAVERSO: PC 182(A)(1)- conspiracy, HS 11351- possess controlled substance for sale.
- ARGENIS ZEPEDA GRANDE: PC 182(A)(1)-conspiracy, HS 11370.4(A)- sales enhancement over 1 kilogram of narcotic).
- JOSE CASTANEDA: PC 182(A)- conspiracy, HS 11370.4(A)- sales enhancement over one kilogram of narcotic (cocaine), HS 11351- possess controlled substance for sale.
- ZACHARY HOYT: PC 182(A)(1)- conspiracy, HS 11370.4(A)- sales enhancement over 1 kilogram of narcotic (cocaine).”
