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A Diligent Theory Blog

Private investigators have suffered from dozens of ethical lapses over the last several years. The other thing that could dramatically decrease these ethical lapses is a standardized code of ethics. In this post, we describe …

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For as long as long as I can remember, I’ve wanted to play baseball for the majors. It was only until I landed in a pile of goose shit diving for a game winning catch that I realized that I wasn’t going to be a baseball player…

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Over the years, we have written dozens of blog posts in order to answer some burning questions people have had about private investigators. Now I’ve decided to put these answers into one convenient list: 1Do private investigators need to be licensed? In most states, yes; 45 of the 50 states require a private investigator’s license […]

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Do Private Investigators Need to be Licensed 2020

Do private investigators need to be licensed in the United States? In short, in 45 of the 50 states, the answer is yes.

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Private Investigator Hired to Follow Private Investigator

What happens when a private investigator is hired to follow another private investigator? In April 2018, private investigator Brian Willingham was followed by …

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