Investigation Resource Service

Investigation Resource Service is a Texas licensed private investigation firm. As a complete service private investigation firm in Dallas our private investigators have over 75 years of combined experience, and utilize the most sophisticated surveillance and tracking equipment available. Our Texas private investigators are board certified, licensed experts in capturing images (film, digital, static & video) and can e-mail you the results of surveillance within minutes of when the evidence is gathered. We currently have tracked, caught and photographed hundreds of Dallas/Fort Worth cheating husbands and wives.