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Over 400 officers, hidden mics and tracking devices: How a 'challenging' investigation exposed an alleged network of corrupt Toronto cops

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Cite

O’Brien, A. (2026, September 20). Over 400 officers, hidden mics and tracking devices: How a 'challenging' investigation exposed an alleged network of corrupt Toronto cops. Toronto Star. https://www.thestar.com/news/over-400-officers-hidden-mics-and-tracking-devices-how-a-challenging-investigation-exposed-an-alleged-network-of-corrupt-toronto-cops/article_1626b851-f196-4208-b142-23e5a4b30fae.html

Dated when The Aporia collected the article, usually within hours of publication. Check the original for its exact date and byline.

Toronto Star · collected 2026-09-20 · by Abby O’Brien

Quick Summary

Toronto police detective Antonio D’Onofrio presented evidence for a warrant application on January 25, as part of Project South, one of the largest corruption investigations in Toronto Police Service history. The investigation, originally focusing on an armed home invasion, expanded to include allegations of bribery and misuse of confidential information by multiple officers. York Regional Police conducted extensive surveillance involving hidden microphones and tracking devices over several months. The released documents reveal suspicious database searches indicating possible leaks from within the police force.
Written by AI on 2026-09-20, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

Toronto detective Antonio D’Onofrio led a massive investigation known as Project South, which uncovered alleged corruption among police officers. The probe started with an armed home invasion but expanded to include over 400 investigators who used hidden mics, tracking devices, and tapped phones. Key targets included Barnhardt, Da Costa, and Sergeant Rob Black; investigators even placed a tracking device in a police cap suspected of being sold by Barnhardt to Da Costa. The ITO (Information-to-Obtain) document filed with the court detailed hundreds of pages of allegations such as bribery and misuse of confidential information, potentially implicating several officers in criminal activities. Though not yet tested in court, this case is considered one of the largest corruption investigations in Toronto Police Service history.

Written for “Toronto Cop Corruption Investigation” on 2026-11-02, grounded in this article and the 0 other(s) covering the same event.

Story

📰 Toronto Cop Corruption Investigation
Crime & Law · 1 article(s) covering the same event.

Compared with similar articles

This article reads unscored and hedges 20% of its claims. Each row says how that neighbour differs.
Toronto Star
Hedges 0 of 1 claims Outlet record 64/100
“Article A describes a detailed investigation and planned raids by police, while Article B reports on increased patrols at places of worship in response to unspecified concerns. These are different events.”
The Guardian
Hedges 2 of 34 claims Outlet record 66/100
“The articles describe different investigations involving distinct sets of individuals and organizations.”
CBC News
Hedges 12 of 50 claims Outlet record 74/100
“The articles describe different phases and aspects of Project South, not the same specific incident.”
Global News
Hedges 9 of 37 claims Outlet record 63/100
“The articles discuss different aspects of Project South, with Article A focusing on new details about an alleged plot to kill a jail guard and Article B detailing the broader investigation involving multiple officers.”
The Globe and Mail
Hedges 3 of 38 claims Outlet record 52/100
“The articles discuss different aspects of Project South, with Article A focusing on Constable Barnhardt's alleged misuse of police databases and its link to shooter-for-hire attacks, while Article B discusses the broader scope and execution of the investigation by multiple officers.”
CBC News
Hedges 11 of 51 claims Outlet record 74/100
“While both articles discuss Project South and its findings, Article A focuses on newly reportable police documents revealing details from wiretaps, while Article B provides a broader context of the investigation's scope and scale.”
Toronto Star
Hedges 7 of 45 claims Outlet record 64/100
“While both articles discuss Project South and its origins from an armed home invasion, they describe different stages or aspects of the investigation rather than the same specific incident.”
Toronto Star
Hedges 4 of 38 claims Outlet record 64/100
“While both articles discuss Project South and its implications, Article A focuses on the release of court documents related to the investigation, whereas Article B describes a specific day in the courtroom when officers were seeking approval for raids.”
Toronto Star
Hedges 1 of 28 claims Outlet record 64/100
“Article A discusses Mayor Olivia Chow's response to the Project South investigation revelations, while Article B describes the investigative process and scale of Project South.”
Global News
Hedges 2 of 17 claims Outlet record 63/100
“While both articles discuss Project South and related investigations, they describe different aspects (one focusing on recently unsealed documents, the other on the broader investigative process).”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
56
sentences that state something as happening or true
Uncertain
20%
11 of 56 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
64/100
Toronto Star's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Crime & Law
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-09-20 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

Toronto Star · 11094 article(s) · 28 correction(s) detected
Running correction rate · 28 correction(s)
2026-10-26
Correction
2026-10-24
Correction
2026-10-07
Correction
2026-09-24
Correction

Who wrote this

Abby O’Brien
8 article(s) here · 1 carrying a prediction
🔮 The breach, unprecedented in both scope and severity, according to experts who spoke to the Star, could render tipsters vulnerable to offences like identity theft and fraud, and in some cases, risk their public safety.
🔮 “But at the same time, it would be really nice to have that recognition that we were still affected really heavily.”
🔮 “But at the same time, it would be really nice to have that recognition that we were still affected really heavily.”
🔮 While lawyers for Dosanjh admit she knew Singh prior to his incarceration, they say Dosanjh filed a conflict of interest report once she knew Singh would be detained in the jail.
🔮 D’Onofrio, an officer with Toronto police’s professional standards unit, was seeking a justice of the peace’s sign-off to execute a series of raids that would see several of his fellow officers arrested.
Also by Abby O’Brien
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 8 articles by Abby O’Brien →

Topics

ITO Newmarket Project South Star Toronto

Subjects

Barnhardt PERSON · 5× Toronto GPE · 5× York ORG · 4× ITO ORG · 3× Project South ORG · 2× Star ORG · 2× Antonio D’Onofrio PERSON · 1× D’Onofrio PERSON · 1× Newmarket GPE · 1× the Toronto Police Service’s ORG · 1×

Narrative

In addition to tapped phones and recording devices planted in vehicles, investigators kept tabs on several targets, including Barnhardt, Da Costa, and Toronto police Sgt. Rob Black, by affixing tracking devices to their vehicles. Tracking devices were also installed in a police cap that investigators were concerned Barnhardt intended to sell to Da Costa.
framing: assertive · carried by 1 article(s) · first seen 2026-09-20
🔮 D’Onofrio, an officer with Toronto police’s professional standards unit, was seeking a justice of the peace’s sign-off to execute a series of raids that would see several of his fellow officers arrested.

Claims (56 extracted, 11 hedged)

On a day in late January, Toronto detective Antonio D’Onofrio took his place in a Newmarket courtroom. asserted
D’Onofrio → take → courtroom
He was one of hundreds who’d worked on the months-long investigation now known as Project South, a case that began as a probe into an armed home invasion targeting a manager at a Toronto jail but had since ballooned into one of the largest investigations of criminal corruption in the Toronto Police Service’s history. asserted
that → work → history
D’Onofrio, an officer with Toronto police’s professional standards unit, was seeking a justice of the peace’s sign-off to execute a series of raids that would see several of his fellow officers arrested. asserted
several → seek → officers
In support of his request, D’Onofrio presented what’s known as an information-to-obtain, or “ITO,” containing hundreds pages of allegations that read as if they were ripped from an HBO crime drama: bribery, secret rendezvous between officers and drug dealers, hired guns using leaked confidential police information and more. asserted
they → present → information
The ITO is based on what investigators believed at the time the document was filed. asserted
document → base → time
None of the allegations have been tested in court. asserted
None → test → court
On Wednesday, a judge released large portions of the ITO after the Star and other media outlets fought in court for its release. asserted
Star → release → release
The documents are littered with evidence of months of police surveillance, led by York Regional Police investigators, as part of the expansive probe. asserted
documents → litter → probe
From unravelling a spool of suspicious, off-duty police database queries to installing covert microphones and tracking devices in personal vehicles and police property, to deploying undercover operatives in a jail cell, this is the story of how Project South unfolded. asserted
South → unravel → cell
A suspicious computer search It was investigators with York police’s holdup squad who were first tasked with probing the June 18 attack on the jail manager’s home. asserted
who → task → home
The manager, whose identity remains protected under a publication ban, told investigators he believed he was targeted because of his enforcement efforts in the jail. asserted
he → protect → jail
First, investigators needed to determine how the assailants had obtained his address. asserted
assailants → need → address
They turned to the Ministry of Transportation database to see if there were any suspicious searches relating to the manager. asserted
They → turn → manager
There, investigators allegedly found Const. Timothy Barnhardt, a veteran officer working out of 12 Division, had searched the licence plate of the jail official a little over three weeks prior. uncertain
Barnhardt → find → official
He was the only police officer, according to the report, to have searched the plate without a “legitimate investigative reason. uncertain
He → accord → reason
Newly released Project South records detail what investigators allege was an “organized, multi-level drug trafficking operation.” asserted
investigators → release → ?
Newly released Project South records detail what investigators allege was an “organized, multi-level drug trafficking operation.” asserted
investigators → release → ?
Barnhardt’s lawyer, Jason Dos Santos, declined to respond to detailed questions sent by the Star. “We will defend these allegations in a courtroom where facts — not headlines — decide the outcome,” Dos Santos wrote in an emailed statement. asserted
Santos → decline → statement
New leads come as Toronto police shared info Once York investigators set their sights on Barnhardt, they tapped Toronto police’s Professional Standards Unit (PRS), which probes internal misconduct within the force. asserted
which → come → force
PRS confirmed Barnhardt was off-duty the night he allegedly searched the jail manager’s plate. uncertain
he → confirm → plate
As investigators dug deeper, they allegedly found the officer had done 17 database searches over a six month span while off-duty, several of which were followed by acts of violence. uncertain
several → dig → violence
On Sept. 7, Barnhardt ran a check involving a residence in Vaughan, according to the ITO. uncertain
Barnhardt → run → ITO
Three days later, officers in York watched as a lone gunman arrived at that same address and fired 13 rounds through the front door. asserted
gunman → watch → door
In another off-duty check, Barnhardt allegedly searched the driver’s license of a witness in an ongoing homicide case who investigators later determined had provided a statement regarding a possible motive. uncertain
investigators → search → motive
Listening in on private phone calls Surveillance efforts by York revealed ties between Barnhardt and a network of allegedly criminal associates, according to the documents. uncertain
efforts → listen → documents
Among those associates was Brian Da Costa, who police describe as a “known drug trafficker” with ties to organized crime. asserted
police → describe → crime
Lawyers for Da Costa declined to answer questions from the Star. asserted
Lawyers → decline → Star
A thwarted assassination attempt of a jail official helped break open one of the biggest police corruption scandals in the city’s history. asserted
attempt → thwart → history
A thwarted assassination attempt of a jail official helped break open one of the biggest police corruption scandals in the city’s history. asserted
attempt → thwart → history
In late July, investigators watched as Barnhardt and Da Costa met up at a North York car dealership, where Da Costa allegedly handed a piece of paper and what was believed to be a driver’s license to Barnhardt. uncertain
what → watch → Barnhardt
Police allege many of Barnhardt’s dubious database searches were done at the request of Da Costa, “who paid Barnhardt for the service. asserted
who → allege → service
Weeks later, investigators presented the evidence they’d gathered so far to a judge in Newmarket and were granted authorization to intercept the private communications of Barnhardt and Da Costa. asserted
they → present → Barnhardt
The wiretaps proved successful; over the month of September in 2025, investigators listened in and observed as they alleged Barnhardt conducted more illegal queries, conspired to launch a protection racket for illicit dispensaries and massage parlours, and trafficked drugs to civilians and his fellow officers. asserted
Barnhardt → prove → civilians
Midway through October, investigators were granted approval to expand their number of targets. asserted
investigators → grant → targets
That included Gurpreet Singh, an inmate at the Toronto South Detention Centre who police believed was behind the attack on the jail manager. asserted
police → include → manager
Singh, 32, is awaiting extradition to the U.S. on charges that he was an alleged drug trafficker on behalf of Canadian Olympian-turned-alleged-drug lord Ryan Wedding. asserted
he → await → Olympian
Singh’s lawyer in the U.S. case, Brian Greenspan, emphasized in a statement to the Star in June that his client had not been charged as part of Project South and does not face any charges in Canada. asserted
client → emphasize → Canada
“Your proposed standard cautionary note that the allegations in the omnibus information to obtain have not ‘been tested in court; is grossly insufficient and misleading as Mr. Singh has not been charged with any offence months after the execution of the warrants. asserted
Singh → propose → warrants
In addition to tapped phones and recording devices planted in vehicles, investigators kept tabs on several targets, including Barnhardt, Da Costa, and Toronto police Sgt. Rob Black, by affixing tracking devices to their vehicles. Tracking devices were also installed in a police cap that investigators were concerned Barnhardt intended to sell to Da Costa. asserted
Barnhardt → tap → Costa
Communications between Barnhardt and Da Costa intercepted by investigators allegedly showed Barnhardt “supplied Toronto Police Service uniform items, including pants, jackets, hats, and a forage cap,” to Da Costa, “in exchange for cash,” the ITO said. uncertain
ITO → intercept → cash
…and 16 more, not listed.
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