Four arrested; cocaine and fentanyl seized

April 16, 2025

Four people face charges after police seized quantities of suspected illicit substances as a result of an investigation into drug trafficking activity.

Thunder Bay Police Service officers with the Intelligence Unit executed a search warrant at a residence in the 400 block of Cumberland Street North shortly after 3:30 p.m. on Tuesday, April 15.

 

Police seized quantities of suspected cocaine, fentanyl, and oxycodone. The estimated street value of the drugs is more than $100,000. A quantity of cash believed to exceed $15,000 was also seized.

 

Four suspects were located within the residence and were arrested.

 

Tiffany DAVIS, 42, of Hamilton; Casey KUOPPALA, 53, of Thunder Bay; Lynda MCCALLUM, 54, of Thunder Bay; and Miranda ROBERTSON, 33, of Thunder Bay, are charged with the following:

•             Possession for the Purpose of Trafficking (Cocaine)

•             Possession for the Purpose of Trafficking (Fentanyl)

•             Possession for the Purpose of Trafficking (Oxycodone)

•             Possession of Property Obtained by Crime over $5,000

 

DAVIS is also charged with Disobeying Court Order.

 

The accused appeared in court on Wednesday and have been remanded into custody with future appearance dates.

 

The investigation remains ongoing.

June 29, 2026
TB26024146 A Thunder Bay Police Service investigation has led to the seizure of suspected illicit drugs and a firearm. On June 23, 2026, officers with the Primary Response Unit responded to a business on Memorial Avenue in response to a call for service regarding an individual who may have been in possession of a firearm. Further investigation and a search of the area led to a suspect being identified, located, and arrest. The Intelligence Unit became involved in the investigation. A search of the suspect led to the seizure of a revolver style handgun, over 1.5 kilograms of suspected fentanyl, and over $5,000 in cash. As a result of the investigation, 22-year-old Jasiah MCNICOLLS of Richmond Hill is facing the following charges: • Possession of a Schedule 1 substance for the purpose of trafficking – (opioid) • Knowledge of unauthorized possession of firearm • Careless storage of firearm, weapon, prohibited device or ammunition • Possession of property obtained by crime over $5,000 • Unauthorized possession of a prohibited or restricted firearm • Possession of loaded prohibited or restricted firearm • Possession of a firearm knowing serial number has been tampered with The accused was remanded into custody following their first court appearance with a future court date.
June 29, 2026
TB26024976 The Thunder Bay Police Service is requesting the public’s assistance in locating 33-year-old Leanne BARKMAN. BARKMAN is described as an Indigenous female standing 5’ 4”, weighing roughly 160 lbs, with shoulder-length straight brown hair with blonde highlights, and brown eyes. Leanne usually wears black sunglasses. She was last seen wearing black shorts, a light grey tank top, and black short boots with heels. If you have any information about the whereabouts of this missing person, please contact police at (807) 684-1200. Submit tips anonymously through Crime Stoppers at 1-800-222-8477, online at www.p3tips.com .
June 26, 2026
A Thunder Bay Police Service Primary Response Unit investigation has resulted in aggravated assault charges. On June 24, 2026, officers responded to the Bay Street area in response to a report regarding an assault. On scene an injured male was located and transported to a local hospital for treatment. Further investigation led to two suspects being identified, located, and arrested. As a result of the investigation, 39-year-old Biaggio DONOVAN from Thunder Bay and 32-year-old Marissa DOKUCHIE from Thunder Bay have both been charged with aggravated assault. DONOVAN is also facing a fail to comply with probation order charge. Both of the accused were remanded into custody following their first court appearance.