Portland police arrest off-duty Salem police officer on theft, drug charges

Seth Thayres and James Cardenas booking photos courtesy Multnomah County Jail

PORTLAND, Ore. – Portland police arrested an off-duty Salem police officer on theft and drug-related charges Wednesday.

Portland police were investigating two burglaries where more than $30,000 worth of property was stolen. During the investigation, police determined two suspects who they believe had sold stolen property related to one of the burglaries.

The = suspects were identified as 31-year-old Seth T. Thayres and 35-year-old James Cardenas.

Thayres, an off-duty Salem Police Department officer, was arrested on two counts of first-degree theft and possession of methamphetamine.

Cardenas faces charges of first-degree theft, two counts of aggravated first-degree theft, four counts of second-degree burglary, and possession of methamphetamine.

Both Thayres and Cardenas were booked in the Multnomah County Detention Center.

Thayres was already on administrative leave for a different matter, according to the Salem Police Department.

The Salem Police Department released the following statement regarding the arrest:

“On Wednesday, February 6, 2019, Salem Police officer Seth T. Thayres was arrested in the Portland metro area by the Portland Police Bureau. He was charged with one count of Possession of Methamphetamine and two counts of Theft I.
At the time of the arrest, Thayres was on administrative leave from the Salem Police Department. He has been on administrative leave since October 9, 2018, awaiting the outcome of a fitness for duty evaluation.
The Salem Police Department hired Thayres as a lateral officer from Florida in August of 2014.
Please see the Portland Police Bureau's press release for further details of the arrest. This is an ongoing investigation and any further information will be released by the Portland Police Bureau.”
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