Online Investigations
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Introducing the Second Edition of My Private Investigator Handbook

Discover the condensed second edition of Rahul Agarwal’s Private Investigator Handbook, focused on investigative practice in Canada and Ontario. This compact guide explores ethics, privacy, OSINT, background checks, due diligence, and report writing, with a companion Toolkit available separately for download at www.theinvestigators.ca. Continue reading
Evidence Preservation, Fraud & Identity Verification, Landlord & Tenant Investigations, Ontario Private Investigation, OSINT & Due Deligence, Skip TracingDigital Evidence, Online Investigations, Ontario Private Investigator, ontario-private-investigations, OSINTOntario Private Investigator Online Investigations Skip Tracing Tenant Background Checks Digital Evidence Private Investigator Ontario Landlord Investigations Social Media Investigation, Private Investigator, private-investigations, Skip Tracing, Tenant Background Checks -
Now Published: The Canadian Private Investigator’s Handbook — Available in Kindle, Paperback & Hardcover

A Practical Guide to Investigative Practice I am pleased to announce the publication of my new book: The Canadian Private Investigator’s Handbook: A Practical Guide to Investigative Practice The handbook is now available through Amazon in three formats — Kindle, Paperback and Hardcover. All three versions became available on September 30, 2026, marking the culmination… Continue reading
books, Digital Evidence, education, Online Investigations, Ontario Private Investigator, ontario-private-investigations, osint, OSINTOntario Private Investigator Online Investigations Skip Tracing Tenant Background Checks Digital Evidence Private Investigator Ontario Landlord Investigations Social Media Investigation, Private Investigator, private-investigations, Skip Tracing, Tenant Background Checks, writing -
Due Diligence: The Discipline of Verifying Before Deciding

Due diligence is more than a background check. It is a structured process of verifying facts, identifying risks and resolving inconsistencies before an important decision is made. Continue reading
Digital Evidence, Online Investigations, Ontario Private Investigator, ontario-private-investigations, OSINTOntario Private Investigator Online Investigations Skip Tracing Tenant Background Checks Digital Evidence Private Investigator Ontario Landlord Investigations Social Media Investigation, Private Investigator -
The Tenant Who Vanished Owing £18,000—and the Facebook Clue That Led Investigators to His Door

A commercial tenant disappeared owing more than £18,000, leaving behind an empty unit, a changed telephone number and no forwarding address. Investigators followed his employment history to a new workplace, uncovered a crucial Facebook connection and used field observation to confirm his current residence. The verified address enabled service of court documents—and ultimately a court… Continue reading
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Beyond Surveillance: How Private Investigators Support Companies and Management

Private Investigators can provide businesses with far more than traditional investigative services. From investigative due diligence and corporate intelligence to fraud inquiries, digital footprint analysis, OSINT research and litigation support, modern investigators help management turn fragmented information into verified, actionable intelligence. This article explores how professional investigation, technology and structured research can help companies identify… Continue reading
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Digital Surveillance Technologies: The Invisible World of Wi-Fi Packet Sniffing

Every second, an enormous amount of information moves invisibly through the air around us. Phones communicate with Wi-Fi routers. Laptops contact websites. Smart televisions connect to streaming services. Security cameras transmit video. Printers announce themselves on networks. Smart-home devices contact cloud servers, and applications continuously exchange small pieces of information with systems scattered across the… Continue reading
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What Rules Govern a Private Investigation Business in Ontario?

Ontario private investigation businesses operate under strict legal and ethical requirements. This article explains how PSISA and PIPEDA affect licensing, privacy, surveillance, recordkeeping, confidentiality, information security and professional conduct—and why lawful, proportionate investigations are essential to protecting both clients and the public. Continue reading
Digital Evidence, Online Investigations, Ontario Private Investigator, ontario-private-investigations, OSINTOntario Private Investigator Online Investigations Skip Tracing Tenant Background Checks Digital Evidence Private Investigator Ontario Landlord Investigations Social Media Investigation, pipeda, privacy, Private Investigator, private-investigation, psisa, Skip Tracing, Tenant Background Checks -
Ethical OSINT Investigations in 2026: How Online Intelligence Helps Private Investigators, Landlords, Businesses, and Legal Professionals

Online investigations are now an important part of modern private investigation work. Whether the matter involves skip tracing, tenant background checks, due diligence, social media evidence, litigation support, or locating publicly available records, open-source intelligence — commonly known as OSINT — can provide valuable information when it is collected lawfully and ethically. OSINT does not… Continue reading
Digital Evidence, Online Investigations, Ontario Private Investigator, ontario-private-investigations, osint, OSINTOntario Private Investigator Online Investigations Skip Tracing Tenant Background Checks Digital Evidence Private Investigator Ontario Landlord Investigations Social Media Investigation, private-investigations, Skip Tracing, Tenant Background Checks