News Story


Thousand Oaks - Man Arrested for Involuntary Manslaughter Following Overdose Death
12/21/2016 4:05:00 PM


Nature of Incident:

Heroin Overdose Resulting In Death Leads To An Arrest

Report Number:



3800 Block Elkwood Street, Thousand Oaks

Date & Time:

September 9th, 2016, at 0725 a.m.

Unit(s) Responsible:

Sheriff's Major Crimes Bureau

Sheriff's Major Crimes East County Bureau

Sheriff's Narcotics Task Force

Ventura County Interagency Pharmaceutical Crimes Unit

Thousand Oaks Police Department


(S)uspects, (V)ictims, (P)arty, (D)ecedent

City of Residence


(D) Male Juvenile

(S) Ross Duncan Cumming

Thousand Oaks

Thousand Oaks





On September 9th, 2016, at about 07:25 a.m., Deputies from the Thousand Oaks Police Department responded to the 3800 block of Elkwood Street, Thousand Oaks, for a report of a heroin overdose.  Detectives from the Thousand Oaks Police Department, investigators from the Sheriff's Office Major Crimes Bureau, Sheriff's Major Crimes East County Bureau, Sheriff's Narcotics Task Force and the Ventura County Interagency Pharmaceutical Crimes Unit responded to the scene and learned a male juvenile (16 years) had passed away as a result of heroin use.  Detectives from The Sheriff's Office Major Crimes Bureau and the Ventura County Interagency Pharmaceutical Crimes Unit began an investigation into the juvenile's death.  In a coordinated effort with the Thousand Oaks Police Department, numerous interviews were conducted and arrests were made of individuals who were associated with the juvenile and / or involved in selling him drugs. 


Through these arrests, several interviews and investigative leads, detectives determined that the juvenile had obtained heroin from Ross Cumming.  Detectives wrote and served search warrants at multiple residences.  After serving the search warrants, obtaining evidence and conducting additional interviews, Ross Cumming was arrested for conspiracy, furnishing heroin to a minor and involuntary manslaughter on December 21st, 2016. 


This investigation is ongoing and more arrests are expected to be made. 


Prepared by:

Detective Chip Cadman


News Release Date:

December 21st, 2016


Media Follow-Up Contact:

Detective Chip Cadman

(805) 384-4726


Detective Frances Saleh

(805) 384-4729


Detective Sergeant William Therrien

(805) 947-8119



Approved by:

Captain Melissa Smith



Ventura County Crime Stoppers will pay up to $1,000 reward for information, which leads to the arrest and criminal complaint against the person(s) responsible for this crime.  The caller may remain anonymous.  The call is not recorded.  Call Crime Stoppers at 800-222-TIPS (8477).