A Diligent Theory Blog

Many people working in the private investigation business share a trait: they hoard their trade “secrets.” So before time reveals every investigator’s secrets, here are nine investigative tools that every lawyer should know about…

Enjoyed What You Read?

Join 2,000+ others to get insider tips and tricks delivered to your inbox from what has been voted the best blog in the investigative industry!

Private Investigators Fact Finders Opinion Givers

As a private investigator, opining can be a slippery slope. More often than not, our job is simply to identify and present facts. We leave the judgments regarding guilt, innocence, character, emotion, well-being or state-of-mind to the client.

Private investigators are not judges, jurors, psychologists or mind readers; they are fact finders.

Enjoyed What You Read?

Join 2,000+ others to get insider tips and tricks delivered to your inbox from what has been voted the best blog in the investigative industry!

We hear tons of reasons why Clients come back for more. This is our favorite.

Over the past several years, we have been collecting feedback from clients about how we are doing. Feedback is essential to running any business, but especially a small business where literally every move counts. One slip-up—or a series of slip-ups—can ruin a business, especially at a time like this. We’ve been lucky enough to have […]

Enjoyed What You Read?

Join 2,000+ others to get insider tips and tricks delivered to your inbox from what has been voted the best blog in the investigative industry!

There are dozens of advanced Google tricks, but in this post, we discuss some of our favorite. In this post we will discuss …

Enjoyed What You Read?

Join 2,000+ others to get insider tips and tricks delivered to your inbox from what has been voted the best blog in the investigative industry!

Private Investigator Cost Find Someone

We get asked the question, “How much does it cost a private investigator to find someone” so much, we decided to put together an epic guide that walks you through some frequently asked questions. In this post, we will discuss …

Enjoyed What You Read?

Join 2,000+ others to get insider tips and tricks delivered to your inbox from what has been voted the best blog in the investigative industry!

Get the best tips and advice
straight to your inbox. Unsubscribe anytime.

Learn investigative techniques and hard to find resources and tips.

0 + 6 = ?

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