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The original item was published from 4/14/2022 4:45:00 PM to 6/9/2022 12:00:00 AM.

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Special Investigations Bureau

Posted on: April 8, 2022

[ARCHIVED] Fentanyl Poisoning Arrest


Riverside County Sheriff's Department Press Release

Reporting Deputy: Sergeant  Ryan Marcuse

File # MV212210192


John P. Biagianti

On August 9, 2021, about 2:45 PM, Moreno Valley Sheriff’s Station Deputies were dispatched to a check the welfare call in the 10000 block of Sparrow Court city of Moreno Valley. Upon deputies' arrival, it was determined a 25-year-old female adult was deceased. The case was immediately assumed by the Riverside County Sheriff’s Department Overdose Death Investigations and Narcotics Unit (ODIN). It was determined the decedent was a victim of a Fentanyl poisoning. The investigation continued over the next several months and a suspect, John P. Biagianti a 30-year-old resident of of Upland, was identified as being the suspect responsible for selling the Fentanyl that killed Dauss.

On Friday April 8, 2022, Biagianti was located by ODIN personnel as well as the Drug Enforcement Agency. Biagianti was taken into custody without incident and booked into federal custody. This investigation is ongoing and anyone with additional information is encouraged to contact Master Investigator Jim Peters at 951-955-1700. As a reminder, the Riverside County Sheriff’s Department wants to remind citizens of the dangers of illicit narcotics many which may contain Fentanyl. Fentanyl is a synthetic opioid that is 100 times stronger than morphine and can cause death or serious bodily harm.

For media inquiries regarding this incident please contact the Media Information Bureau.

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