Tom Caliendo is the author of "The Open Source Intelligence Guide," a cybersecurity journalist, and co-founder of the research and literary firm, Brockett Consulting.

Tom Caliendo

Unmasking the Harasser: How Modern Investigation Tools Crack the Code on Burner Phones

Tom Caliendo

Burner phones were once a shield for anonymity. Today, they’re just another thread we can pull to unravel...

Unlocking Troves of Data from an Email Address

Tom Caliendo

We know what’s in a name and a Social Security number. But what discoverable secrets does an email...

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The Business

LAUSD, the FBI, and What Every Investigator Should Know About an Incomplete File

Digital Stakeouts: OSINT for Investigators Who Like Receipts

Fairy Tales vs. Facts: The Unfanciful Truth about Unclaimed Assets

The Life

Unsung Heroes: Honoring Jonna Mendez, the CIA’s Master of Deception

The Family That Never Existed: A Siquijor Island Investigation

It was supposed to be a simple background.

The Pitch

Second Time Around: 7 Lessons I Learned from Losing My First PI Firm

Running to Catch Up with AI

Building a Successful Private Investigations Business

The Literature

Review: “The Ritz of the Bayou,” by Nancy Lemann

Review: “Ruby Falls,” by Gin Phillips

Review: “Boss Brooks: A True Story of Fraud, Family, and Forgiveness from Tennessee to Texas”

Avi Klein’s Swiss Army Knife of Tools for Locates

Q&A: An Investigator for the Defense

Fletch Inhaled Twice

Tom Caliendo

Unmasking the Harasser: How Modern Investigation Tools Crack the Code on Burner Phones

Unlocking Troves of Data from an Email Address

The Family That Never Existed: A Siquijor Island Investigation

It was supposed to be a simple background.