A Diligent Theory Blog

After an 11-month FBI probe dubbed “Operation Hackerazzi,” a Florida man was indicted for accessing the email accounts of more than 50 celebrities. The hacker reportedly used public information to guess the “secret” questions and was able to access the celebrity accounts.There are news stories every day about hackers, but many of us don’t really […]

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 have rounded up the most popular posts of 2011 so you can catch up on anything you missed from the past year.  We didn’t quite get the 1,000,000,000,000 (one trillion) videos playbacks that YouTube got in 2011, but nonetheless… 1Mouli Cohen Seems like Mouli Cohen has a lot of friends (or enemies).  After having […]

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!

How to Find Information About Someone

“We are only investigative superheroes; we’re not demigods.” ~VP As private investigators, we wish we had superhero powers; sadly, we don’t.  We rely on some tools, certain databases, instinct and know-how to find information about someone. They certainly do not involve magic, but here are 10 places private investigators go to find information about someone […]

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!

Our new slogan “We Fill In The Blanks” fits great with our new custom Field Notes Brand notebook. With a custom rubber stamp from the Stampin Place and the logo designed by 99 Designs, we’ve got a whole lot of awesomeness.

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!

How to Conduct a Criminal Background Check Like an Expert

There are several things you should know about the person you are investigating before you conduct a criminal background check like an “expert”: Full name (preferably what appears on the person’s driver’s license or another government-issued document) including any nickname and maiden name Date of birth from an official source (e.g., driver’s license, passport, etc.) […]

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.

5 + 0 = ?

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