Carlsbad CA—  Wednesday evening, July 26, 2017, at 6:49 p.m.,the City of Carlsbad Police Department responded to a structure fire in the 2000 block of Chestnut Avenue. Persons calling in the fire reported seeing flames coming from the roof of the structure.

When police and fire personnel arrived, the fire had already been extinguished by the residents. After ensuring they were not harmed, officers and firefighters noticed items commonly used to extract concentrated cannabis through the use of flammable solvents near the source of the fire. The product achieved through this type of solvent extraction process is often referred to as butane honey oil.
Detectives assumed the investigation and found finished concentrated cannabis, over 50 marijuana plants, psilocybin mushrooms, a short barreled shotgun and additional items used in the production of concentrated cannabis through solvent extraction.
The residents of the home were identified as 56-year-old, Peter McDonald and 51-year-old, David Silva. After conducting interviews and collecting numerous pieces of evidence, detectives arrested both subjects for various charges.

• Peter McDonald was booked into the Vista Detention Facility for Health and Safety Code 11379.6(a), Manufacturing a Controlled Substance, Health and Safety Code 11378(a), Possession of a Controlled Substance for Sale, and Penal Code 452(c), Causing a Structure Fire.
• David Silva was booked into the Vista Detention Facility for Health and Safety Code 11379.6(a), Manufacturing a Controlled Substance, and Penal Code 33210, Possession of a Short Barreled Shotgun.