Portland police prevented 138,000 fentanyl pills from hitting the streets in a recent bust. (Multnomah County Sheriff’s Office)

By Stephen Sorace| Fox News

Deputies in Oregon made the largest fentanyl bust in their county history last week, seizing tens of thousands of pills and powder packed into gallon-sized plastic bags, authorities said.

The bust happened Tuesday as investigators were watching a wanted person in Portland’s Goose Hollow neighborhood, the Multnomah County Sheriff’s Office said. Deputies took the person into custody “at the opportune time” after watching him walk to a vehicle.

Deputies with the sheriff’s Special Investigations Unit obtained a search warrant for the individual’s car…