Proactive Traffic Stop Results in Drug Trafficking Arrest - Welland

By Niagara Regional Police Service - Aug 24, 2026

Media Releases

Media Release: Proactive Traffic Stop Results in Drug Trafficking Arrest - Welland

On Saturday, August 22, 2026, Niagara Regional Police Service (NRPS) 3 District (Welland/Pelham) uniform officers were conducting proactive patrol in the area of East Main Street in the City of Welland.

3 District officers conducted a traffic stop with a white GMC Sierra on Dorothy Street. The driver was subsequently arrested for using plates not authorized for the vehicle. A search of the vehicle incident to arrest resulted in the following seizure:

16.4 grams suspected Methamphetamine
0.6 grams suspected Fentanyl
72.6 grams suspected Cocaine
35 Morphine Tablets
48 Hydromorphone Tablets
68 Oxycodone Tablets
4.6 grams suspected MDMA
3 grams suspected LSD
32.9 grams Cannabis
111 Tablets of unknown substance
3 Stolen Ontario License Plates
Expandable Baton
2 Knives
Machete
Materials consistent with the illegal trafficking of drugs
$15 in Canadian Currency

39-year-old Trevor MCLAREN of Welland is charged with the following offences:

Possession of a Schedule I Substance for the Purpose of Trafficking (7 counts)
Possession of Cannabis for the Purpose of Distributing
Possession of Proceeds of Property Obtained by Crime under $5000
Possession of Property Obtained by Crime Under $5000 (2 counts)
Possession of a Schedule III Substance for the Purpose of Trafficking
Possession of a Schedule I Substance
Use Plate Not Authorized for Vehicle
Fail to Signal for Turn
Fail to Have Insurance Card

34-year-old Mario MICHIENZI of Welland is charged with the following offences:

Possession of a Schedule I Substance for the Purpose of Trafficking (7 counts)
Possession of Cannabis for the Purpose of Distributing
Possession of Proceeds of Property Obtained by Crime under $5000
Possession of a Schedule III Substance for the Purpose of Trafficking
Possession of a Schedule I Substance
Fail to Property Wear Seatbelt

MCLAREN and MICHIENZI both attended a bail hearing on Sunday, August 23, 2026, at the Robert S. K. Welch Courthouse, located at 59 Church Street in the City of St Catharines.

Anyone with information related to this incident is asked to contact the Niagara Regional Police Service at (905) 688-4111, option 3, extension 1080153.

Members of the community who wish to provide information anonymously can contact Crime Stoppers of Niagara online or by calling 1-800-222-8477(TIPS). Crime Stoppers offers cash rewards to people who contact the program with information which leads to an arrest.

NRPS Incident #26-105940