(FOX40.COM) -- A drug-dealing investigation in Northern California led to the discovery of a large drug lab, several pounds of narcotics, illegal firearms, and an arrest. • Video Above: What do the different "schedules" of drugs mean?

On Tuesday, the Modesto Police Department, Stanislaus County Sheriff's Office, and the Stockton Police Department served a search warrant in the 3600 block of McReynolds Avenue as part of an ongoing drug sales investigation. There, they discovered a methamphetamine and DMT lab, according to MPD.

Due to the lab's unstable condition, MPD said the home was evacuated, and the Stanislaus County Special Investigations Unit responded to assist with hazardous materials.

According to MPD, investigators seized 13 pounds of methamphetamine, 14 pounds of DMT, 11 handg

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