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Santa Rosa Police Department
Monday August 22nd, 2022 :: 02:48 p.m. PDT


Residential Structure Fire & Explosion Leads to Arrest of Santa Rosa Man for Illegal Butane Hash Oil Lab

On Sunday, August 21, 2022, at 9:55 pm, multiple people called 9-1-1 regarding a possible explosion and fire at a residence in the 1000-block of Russell Ave. The Santa Rosa Fire Department responded with 3 fire engines, 1 ladder truck, 1 fire investigator, and a Battalion Chief. An ambulance was requested for any possible victims and the Santa Rosa Police Department dispatched several units to assist at the scene.
The ambulance was the first to arrive at the location and reported smoke coming from the garage of the single-family home. SRFD quickly arrived shortly thereafter and identified the garage as the potential location of the explosion. The garage door was blown open, and an active fire was visible inside. Firefighters checked the residence for any victims and discovered that all occupants had evacuated the home Firefighters extinguished the fire burning in the garage and one resident was evaluated for smoke inhalation by paramedics at the scene, but was released without going to a hospital.
Upon investigation, it was determined that a large explosion took place inside the garage when vapors ignited during the manufacturing of hash oil, in an illegal Butane Hash Oil Labs (BHO).  The manufacture of hash oil is highly dangerous because it can lead to these types of explosions and fires.  Four adults and two children were home at the time of the explosion and fire. As a result of the explosion, the garage shifted several feet off the foundation in multiple directions, and it also suffered major damage inside because of the explosion and fire. The attached home suffered moderate structural damage because of the explosion and was left uninhabitable.
Santa Rosa Fire Department Fire Investigators worked with SRPD officers and detectives about their findings. Based on the joint investigation, it was determined that home resident, Cameron Lenzini (22 years old) was unlawfully manufacturing hash oil in the garage BHO. People will commonly use leftover scrap marijuana leaves and buds to make concentrated cannabis. Lenzini lives in the residence with his family, including two siblings who are 7 & 12 years old. The thorough joint investigation led Lenzini to be arrested and booked into the Sonoma County Jail for:
452(b) PC – (Felony) Causing a Fire of Inhabited Structure
273A(a) PC – (Felony) Child Endangerment
11379.6(a) HS – (Felony) Manufacturing a Controlled Substance.
For media inquiries related to the fire, please contact Division Chief – Fire Marshal Paul Lowenthal at [email protected] or 707-543-3542.
For media inquiries related to the criminal investigation, please contact Sergeant Christopher Mahurin at [email protected] or 707-975-0129. SRPD cases #22-9702

Santa Rosa Police Department
965 Sonoma Ave
Santa Rosa, CA 95404

Emergency: 9-1-1
Non-emergencies: 707-543-3600

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