Police seize explosives at homes near Winthrop

— Police seized explosives when they executed two search warrants Thursday west of town.

The Okanogan County Sheriff’s Office and agents from the federal Bureau of Alcohol, Tobacco, Firearms and Explosives searched a home in the Sun Mountain development and another home on Twin Lakes Road a mile west of Winthrop.

The case began in July when Twisp Police Chief Paul Budrow and Sheriff’s Office Chief Criminal Deputy Dave Rodriguez arrested Marc A. Jefferson, 23, of Twisp, on suspicion of illegal possession of an explosive device in Twisp. He was booked into the county jail July 29.

A single stick of dynamite allegedly was located in his vehicle, along with an empty box of blasting caps and a firearm, Rodriguez said.

Subsequent investigation by sheriff’s Sgt. Gene Davis and ATF agents determined the dynamite was part of a shipment reported missing from a Marblemount contractor’s inventory.

On Thursday, warrants were served simultaneously at the two homes. They netted additional dynamite, blasting caps, detonation cord and information linking the items to the missing inventory from Marblemount, Rodriguez said.

Jefferson was charged Aug. 1 with possession of a bomb or explosive device with intent to use it for unlawful purposes and possession of a controlled substance-methamphetamine.

After Thursday’s searches, he was re-booked into the county jail on suspicion of five additional counts of possession of an explosive device and three counts of possession of a controlled drug. The investigation is ongoing.


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