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Famous Cases

Anyone who thinks it’s easy making a living as a private investigator has been watching too much television or reading too many mystery novels. Having watched his competitors come and go for 40 years, Gary Glanz knows that better than anybody. To him, there is only one measure of success in this business, and that is producing results for the client – for every client, every time.

Mullendore Murder Mystery Mullendore Murder Mystery

Just a few hours after heavily insured millionaire rancher E.C. Mullendore III was found shot in...

Out of Australia Out of Australia

A Tulsa businessman engaged in a bitter custody battle with his ex-wife was dismayed to arrive at...

The Casa Bonita Caper The Casa Bonita Caper

When a Tulsa Mexican restaurant was burglarized, the owners knew Gary Glanz was the only one who...

Mexican Fortune Mexican Fortune

After engaging in an ill-advised stock market scheme, an employee of a Tulsa heavy equipment firm...

One Man Crime Wave One Man Crime Wave

Edward Raifsnider had quite a nice operation going. Having accumulated dozens of false identities,...

What the Feds Missed What the Feds Missed

The FBI moved quickly to arrest the man suspected of kidnapping a Tulsa oilman and investor, one of...

Tale of the Wayward GPS Unit Tale of the Wayward GPS Unit

A revolutionary new Global Positioning System unit had been developed by a Tulsa electronics...

Missing The Boat Missing The Boat

Tony Bell couldn’t leave well enough alone, it seemed. Even though he seemingly had gotten away...

Inside Job Inside Job

Someone was stealing a small fortune in rolled aluminum from Tulsa’s Port of Catoosa, a major...

Caught in the Act Caught in the Act

When the director of security for the Coleman Company contacted Gary Glanz about the apparent theft...

Saving the Evangelist Saving the Evangelist

Kathryn Kuhlman was a highly regarded televangelist and faith healer whose friends included...

About The Firm

The Wall Street Journal calls him “The Super Sleuth” —and with good reason. For more than 40 years, Tulsa private investigator Gary Glanz has been solving major crimes, locating missing people, recovering tens of millions of dollars in cash and other valuable materials and securing priceless art collections—all with a flair, and a sense of professionalism and discretion that have earned him an international reputation. Originally making a name for himself as one of the youngest detectives in the history of the Tulsa Police Department, where he received numerous awards and citations, Glanz left the police department in 1967 to establish his own private investigative firm. Gary G...

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