Knowledge base
In our knowledge base we share background articles on private investigations: how an investigation works in practice, what is and isn't allowed, and which signs deserve attention. We also share our latest news and real-world stories from ongoing investigations here.
Articles
How does an infidelity investigation work in practice?
A behind-the-scenes look at a real investigation: from the first phone call to the moment of truth.
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Can I check my partner's phone?
A legal look at a question almost everyone with suspicions of infidelity asks themselves at some point.
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Seven signs your child may be in trouble
Not every unusual behaviour is cause for concern, but these seven signs deserve your attention.
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Sick Leave in Healthcare: When Is a Fraud Investigation Worthwhile?
Sick leave in the healthcare and welfare sector is above 7.5%, with peaks in nursing and home care. When is further investigation into possible fraud justified, and how does that work?
Read moreNews & blog
AI image analysis in criminal investigation
"Are you guys actually using AI?"
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He had been standing there for six days. No one saw him.
That's what a camera car does when properly deployed. It disappears.
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One wrong second. That's all it takes.
Not ideal. Not desirable. But this is the playing field of undercover observation.
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What does a private investigator do in practice?
Sometimes we get the question:"What does a private investigator really do all day?"
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Who does Santos Investigation Agency work for?
Not every client who contacts Santos Investigation Agency has the same question, but almost always there is one common theme: the need for factual…
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Dynamic observation: professional, flexible and effective in corporate and private investigation
In investigations of fraud, theft, wrongful default or trust issues factual evidence is indispensable. Santos Investigation Agency specializes in…
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Violation of a non-compete agreement: when violation becomes provable
A non-compete clause is designed to protect companies from unfair competition by (former) employees who transfer to a competitor or start a competing…
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From likes to lies: how online traces reveal truth
Open source research, also known as OSINT (Open Source Intelligence), is the collection and analysis of freely accessible digital information. Think…
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Incontrovertible evidence in absenteeism fraud: the power of observations and mobile camera applications
Absenteeism fraud is a growing problem for businesses. Employees who falsely call in sick not only cause extra costs, but also disruptions within the…
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The power of cooperation: Santos Investigation Agency and Lawyers
Our expertise: your advantage
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From drone to thermal imaging binoculars: The technology behind our observations
Button camera: An advanced camera that looks like a simple button and can be easily hidden in clothing. Ideal for close-range observations.
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How our camera cars and mobile camera sets enhance your investigation
Advanced technology: High-definition cameras ensure sharp and clear shots.
Read moreHow Santos Investigation Agency supports lawyers in evidence collection
In the complex world of jurisprudence, evidence plays a crucial role, especially in cases such as housing fraud, alimony fraud, sick leave fraud,…
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Santos Investigation Agency strengthens integrity and professionalism through membership BPOB
Promoting both idealistic and material interests of private researchers.
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Alimony fraud: A complex problem in the world of spousal support
Sustainable cohabitation: The partners live together on a permanent basis with no intention of ending it in the short term.
Read moreInterview with private investigator W. Schoonhoven in Regional Daily Papers
On Saturday 13 January 2024, an interview with Santos investigator W. Schoonhoven appeared in the weekend supplement (VRIJ) of several regional Dutch…
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Unjustified Sick Leave: A Complex Challenge for Employers
In today's dynamic work environment, managing sick leave is a challenging task for many employers. It becomes particularly problematic when dealing…
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