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Working for People and not the System

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Choose Us as Your Private Investigators

Gumshoe Investigative Services has some of the best-combined training and experience in Texas. We employ the latest technology and tactics to get the job done. We also offer a level of customer service that is above most, considering that we can be reached 24/7.


We can meet our clients in Texas within 24 hours of being contacted. There is a reason that international nations have contacted us for our services. We are based in Bryan, College Station Texas but we service the entire state in most cases.

How to Choose a Private Investigator

When hiring a private investigator or detective, the first thing you should do is ask to see their licenses. Each agency is required to have a manager that holds a manager license as well as having a current license from the Texas Department of Public Safety. The Detective has to hold a Private Investigator license. These are the top two things to check for.


There are a lot of people who may not be licensed or are carrying expired licenses. The last thing you want is for your case to be thrown out because the investigator was not operating within the constraints of the law. You can research any agency for their license Status at the TxDPS - Private Security Bureau.

Manager/Investigator Mary Ringo

Investigator License Number: 61381 

Mary Ringo has spent more than 20 years in law enforcement and has an associate’s degree in Criminal Justice. Working for two separate police entities and one court, she learned how the system works in concert between police and the court system.


As a records clerk at Bryan PD and then property clerk, she learned the law in case searches, property seizure, release, and destruction. Ms. Ringo learned what information CA and DA’s and other attorneys used when preparing a case.


Upon leaving BPD after 8 years (1990-1998), she went to College Station Municipal Court from 1998-1999. At the municipal court, her responsibilities were for warrants and verifying information to either ask the judge to reactivate a warrant. This meant research on the violator, locating and verifying his commitment to either pay or not.


She was responsible for the payroll of employees as well as the monthly accounting report. From there, Ms. Ringo went to College Station Police Department where she took on the role of administration staff secretary to the chiefs from 1999-2012.


Her duties were to transcribe of audio/video tapes for the Internal Investigation Division and transcribe audio for Criminal Investigation Division crimes. The cases she worked on involved murder and theft to vandalism.


Ms. Ringo was responsible for the staff’s training schedule off-site, making reservations, paying for the course, and reconciling accounting procedures/credit cards upon returning from training. This training was recorded and in line with policies and procedures with accreditation procedures.


A new database was developed for this information as well as the older paper copies kept for backup. Her other duties included payroll data entry for more than 150 employees as well as billing alarms and funeral escorts.


Training records were entered in a database along with costs and certifications. This coincided with the monthly training accounting report, which included meeting the requirements of BVCOG who helped pay for the training for officers.


Ms. Ringo also handled the account payment for property needed by the police department, including but not limited to uniforms, gun gear, and ammunition.


Certifications include but not limited to:

                • National Defensive Driving course WorldWide Who’s Who
                • Judicial Solution Provider (JEMS training) Texas Municipal courts Education Center
                • IAAP (International Association of Admin. Prof.) Microsoft Office
                • TCIC/NCIC Policy and Procedures NAPW (National Assoc. Professional Women)

Testimonials From Our Satisfied Clients

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