A Diligent Theory Blog

best-job-in-world

In the seven years that I have run my private investigation business, I have come to the conclusion that I have the best job in the world. I am fairly certain that others might fight me for the claim to that title, but I would challenge (pretty much) anyone. So why do I have the […]

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tracing owner of a property

In the summer of 2013, we received a call from a local law firm with what appeared to be a simple request – they wanted to determine the identity of the owner of a property in the Hudson Valley of New York, where hordes of wealthy New Yorkers had been collecting property over the past […]

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Brian Willingham

I am a private investigator because I fell into the business. Truth be told, it was not my first choice. I hear people say, “You were born to be an investigator.” That’s not true at all. I was probably the most awkward greenhorn private investigator you will ever find. I hated being put in awkward […]

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private-investigator-great-training

I’ve been thinking about private investigator training quite a bit lately. In part because I just spent a week with Hal Humphreys of PI Education, recording dozens of hours of video for an upcoming master class on conducting open source and public record investigations (more on that below). But what I’ve really been thinking about […]

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Angela Lee Duckworth was a high-flying consultant for McKinsey until she left her job to teach math in public schools. After five years of teaching seventh-graders, she went on to complete her Ph.D. in psychology at the University of Pennsylvania, where she studied students, West Point cadets and corporate salespeople to determine what made them […]

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“One of the absolute best blogs in the investigative industry.” ~ Hal Humphreys, Pursuit Magazine