Mendocino and Lake county deputies served warrants at more than 30 unlicensed cannabis sites between July 1 and 26, eradicating 173,244 plants and seizing 10,369 pounds of processed marijuana — and found evidence of forced labor trafficking at multiple locations, including overcrowded conditions, confiscated IDs, and workers receiving no pay.

Between July 1 and July 26, deputies with the Mendocino and Lake county sheriff's offices served search warrants at more than 30 unlicensed cannabis cultivation sites across Covelo, Laytonville, Potter Valley, and Redwood Valley — and what they found at multiple sites looked less like a farm than a holding operation. Overcrowded living quarters. Restricted movement. Identification documents taken away. Workers receiving little to no pay, exposed to pesticide containers labeled in foreign languages, flagging them as prohibited from sale in the United States. The Mendocino County Sheriff's Office announced the findings July 27.

The scale of eradication was significant: approximately 173,244 marijuana plants destroyed, 10,369 pounds of processed marijuana seized, 26 firearms confiscated, and 626 ounces of illegal pesticides removed. Authorities also documented water diversions and banned pesticide use near local waterways and sensitive habitat — environmental damage that often outlasts the operations themselves. The Sheriff's Office said authorities made "numerous arrests"; cases are being forwarded to the Mendocino County District Attorney's Office. A specific arrest count had not been released as of the weekend announcement.

At multiple sites, investigators identified people they suspected were trafficking victims. "These conditions are consistent with publicly documented patterns of labor exploitation associated with illegal marijuana grows, particularly in remote locations where vulnerable workers may be isolated, controlled, or threatened," the Sheriff's Office said in its statement.

A May 2026 incident in Navarro illustrates what that pattern can mean for an individual. A victim reported being held at a site on Seabiscuit Drive and forced to work for approximately two years without pay, without sufficient food, and under threats of violence. Jesse Upton, 43, of Boonville, was arrested on felony charges including human trafficking for forced labor and assault with a deadly weapon; his case has been referred to the DA's Office, though formal charges had not been publicly confirmed as of this writing. The victim was connected to services through the Northern California Coalition to Safeguard Communities.

Sheriff Matt Kendall has acknowledged that workers at illegal grow sites were historically misidentified. "This is kind of embarrassing, but when I was a younger man, we probably walked right over the top of victims who we were looking at as suspects," Kendall told Jefferson Public Radio in May. The July sweep is part of a broader multiagency effort backed by California Attorney General Rob Bonta's EPIC program, which targets the economic and human dimensions of the illicit cannabis market.

How many people were identified as victims across the 30-plus sites, and how many among those "numerous arrests" will face prosecution, remains to be disclosed by the DA's Office.