Santa Rosa police arrested two people Thursday on suspicion of possessing large amounts of cocaine for sale from their south Santa Rosa home.
John Conway Telesmanic, 24, and Julia Smith, 28, also were arrested for possession of illegal assault weapons at the residence, Sgt. Rich Celli said.
Narcotics detectives were investigating the sales and distribution of cocaine in Sonoma County since December, and they saw Telesmanic selling the drug to customers for several months, Celli said.
Police and federal Drug Enforcement Administration agents set up surveillance of Telesmanic's home in the Olive Street area of Santa Rosa Thursday, and they served a warrant to search the house where he and Smith live when Telesmanic drove away from the residence, Celli said.
Detectives found loaded handguns, short-barrel AR-15 pistols, an AK-47 assault rifle, a short-barrel, pump action 12-gauge shotgun and ammunition in two bedrooms of the home, Celli said.
Detectives also found a half-kilo of cocaine, Xanax, crack cocaine, MDMA, psilocybin mushrooms, scales, packaging and $17,214 in the residence, Celli said.
Telesmanic and Smith were arrested and booked in the Sonoma County Jail on charges of possession of drugs for sale and possession of illegal weapons charges.
An investigation is ongoing.
People with information about this case are asked to call the Santa Rosa Police Department (707) 543-3600.