Three sentenced over 50-plant marijuana grow in Burnett County
Three men were sentenced in Burnett County Circuit Court after a June 2026 search of a Siren Township property uncovered over 50 marijuana plants, pounds of THC, paraphernalia and guns. The 30 October 2026 sentencing of the man who claimed responsibility for the grow concluded the case, which began with THC-wax sales at a Siren bar.
🇺🇸 Siren Township, Burnett County · Wisconsin, United States
·
Arrested
3
Charged
3
Plants destroyed
50
Cannabis
1.13 kg
Matthew Olson Sr., 51, of Siren was sentenced on 30 October 2026 in Burnett
County Circuit Court after court documents said he claimed responsibility for a
marijuana growing operation in Siren Township.[1]Matthew Olson Jr., 30, of
Siren had been sentenced on 28 September 2026 in the case arising from the same
June 2026 search.[2]
Investigators said the case began with controlled purchases of THC wax from
Contreras in June 2026 at the Pour House Bar in Siren.[3]They also reported
finding drug paraphernalia and multiple firearms at the property.[1]Court
records accused Olson Sr. of operating the grow, while Olson Jr. was charged
with misdemeanor possession of THC and drug paraphernalia and Contreras with
felony drug delivery and bail jumping.[3]
All three men made initial appearances in Burnett County Circuit Court as their
cases proceeded.[3]Olson Jr.’s case was resolved through a no-contest plea
with a remaining charge dismissed under the plea agreement.[2]Contreras’s
guilty plea was to one count of Class I felony manufacture or delivery of THC.[4]Olson Sr.’s 30 October sentencing concluded the Burnett County case.[1]
The accessible text reports only that each man was sentenced and gives no custody length, fine, probation or other sentence terms; the remainder of the concluding article is paywalled.
Sources give only minima for the seizure, over 50 marijuana plants and more than 2.5 pounds of THC plus unquantified additional processed marijuana, so the figures record 50 plants and about 1.13 kg as stated minima rather than exact totals.
Sources disagree on Nicholas Contreras's age and residence, given as 31 of Webster in the concluding article and 32 of Siren in earlier accounts, so the report omits those details.
No exact day is given for the June 2026 controlled buys or search; 30 October 2026 is the concluding sentencing date and September dates rely on the articles' dating.
The only page images identified are composite or single mugshots whose captions do not establish that they depict the search or seizure, so no media entry is added.
Left out, as its quotation was not found in DrydenWire: Nicholas Contreras pleaded guilty to a felony THC-delivery charge and was sentenced in early September 2026, while still facing separate drug-related charges in Polk County.
Left out, as its quotation was not found in DrydenWire: Officers then executed a search warrant at a Siren Township property and reported seizing over 50 marijuana plants, more than 2.5 pounds of THC and additional processed marijuana.
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Three men were sentenced to 54 years to life or more for the June 2020 murder of security guard Kenneth Love II at an unlicensed marijuana dispensary in Spring Valley. Prosecutors linked them to a string of shootings and a scheme to extort unlicensed dispensaries.
Charged 3Prison 67 years and four months to life; 84 years to life; 54 years to lifeDeaths 1
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Charged 1Cannabis 6.35 kgPrison 447 months (more than 37 years)
