Petrolia sits beneath the King Range mountains at the edge triangle girls emerald Humboldt County, hidden behind a curtain of redwoods and Douglas fir trees. Ron Prose, an investigator for the Eureka Police Department, said sex traffickers know law enforcement agencies have little interest in cracking down on them. He tried to kiss her. Triangle girls emerald, as the harvest season swings into full gear, a new crop of trimmigrants is streaming north, thumbs out, pointing toward the thickly forested mountains of the Emerald Triangle. Through his family, he declined to comment for this story.