Moses Lake Drug Suspect Arrested With Stash of Guns and Drugs

Police seized firearms, body armor, and large quantities of fentanyl, cocaine, and methamphetamine during a traffic stop.

Apr. 12, 2026 at 11:10pm

An extreme close-up photograph of a single handgun magazine loaded with ammunition, lit by a harsh, direct camera flash against a pitch-black background, conceptually illustrating the dangerous weapons seized during a drug bust.A recent wave of drug busts in Moses Lake exposes the dangerous cache of weapons and narcotics fueling the local opioid crisis.Moses Lake Today

A 40-year-old man was arrested in Moses Lake, Washington after a traffic stop uncovered a cache of firearms, drugs, and cash in his vehicle. The suspect, Mason Beeman, was the target of an ongoing drug investigation by the Moses Lake Police Street Crimes Unit.

Why it matters

This arrest is part of a larger crackdown on drug trafficking in the Moses Lake area, with at least six major busts in the last six months. The seizure of such a large quantity of deadly fentanyl, as well as other hard drugs, highlights the ongoing challenge of combating the opioid crisis and organized crime in smaller communities.

The details

During the traffic stop on State Route 17 near Randolph Road, police searched Beeman's vehicle and found ten firearms, a bulletproof vest, around 1.5 pounds of fentanyl powder, 5 ounces of cocaine, over 2.5 ounces of methamphetamine, and $1,400 in cash. Beeman is facing initial charges of drug possession with intent to distribute, and additional charges may be pending as the investigation continues.

  • The traffic stop occurred on April 10, 2026.
  • This is at least the 6th major drug bust in and around Moses Lake by this special unit and other law enforcement agencies in the county since last October.

The players

Mason Beeman

A 40-year-old man who was the target of an ongoing drug investigation by the Moses Lake Police Street Crimes Unit.

Moses Lake Police Street Crimes Unit

A specialized law enforcement team that has conducted at least six major drug busts in the Moses Lake area since last October.

Got photos? Submit your photos here. ›

What’s next

The suspect, Mason Beeman, is expected to face additional charges as the investigation continues. The Moses Lake Police Street Crimes Unit will likely pursue any leads that could uncover more members of the drug trafficking operation.

The takeaway

This bust highlights the ongoing challenge of combating the opioid crisis and organized crime in smaller communities like Moses Lake. The seizure of a large quantity of deadly drugs and weapons underscores the need for continued vigilance and cooperation between law enforcement and the public to address these issues.