
Found. Documented. Ready for court.
Witness location and interviews, discovery work, trial prep and investigations for criminal defense attorneys across Harris County and surrounding counties. One call starts it.
Hire the firm. No employee withholding, insurance or benefits on your books.
Defense-side fact work, scoped to what the case needs and reported in writing.
We find the people who matter, interview them, and get their account on the record.
Discovery sorted, indexed, analyzed and read so your team walks in prepared.
Exhibits, timelines and witness lists lined up before the first day.
Histories pulled and verified from records and databases.
Technology and databases turn up what a paper search misses.
Every interview documented. Every record sourced. Every report written so it can be handed to opposing counsel without a second look.
A set block of hours each month, so investigative and litigation support is there when the case needs it instead of when a calendar opens up.
Single-matter work is also available outside a retainer. Call to discuss the case.
713-361-7705, or book a time on the calendar below.
We talk through what the case needs and which tier fits. Pricing is set on this call, by tier or by matter.
Hours are reserved, the first assignment is scoped, and reporting starts in writing.

Owner / Private Investigator

Chief Investigator, Criminal Defense Litigation Department
Al "Stone" Robertson is a seasoned legal professional, Private Investigator, and Certified Paralegal with more than 36 years of experience in the legal profession. He brings an extensive foundation of legal knowledge, investigative insight, litigation support, and strategic case development to U.S. RecoveryPro Solutions.
As Chief Investigator in the Criminal Defense Department, Mr. "Stone" leads with a commitment to delivering professional investigative services and comprehensive litigation support to criminal defense attorneys and legal professionals.
His approach combines decades of legal experience with investigative methodology to assist in uncovering critical facts, identifying and developing evidence, conducting investigative research, locating witnesses, and supporting the preparation of cases for litigation.
Recognizing that every case demands accuracy, discretion, and an uncompromising commitment to detail, Mr. "Stone" understands the importance of thorough investigations in protecting individual rights and supporting the pursuit of justice.
His professional philosophy is built upon three fundamental principles: Integrity, Intelligence, and Investigation.
Through U.S. RecoveryPro Solutions, Mr. "Stone" is committed to providing attorneys with dependable investigative resources, strategic legal support, and professional services designed to strengthen criminal defense preparation.
His mission is simple: Pursue the facts. Uncover the truth. Strengthen the defense.
Nothing about a matter leaves this office. Attorneys bring us the work other investigators talk about.
Google reviews from the attorneys we work with post here as they come in.
Court-ready investigative work for defense attorneys across greater Houston. Witness location, interviews and records work in any of these counties, with Louisiana matters by arrangement.
Houston, Pasadena, Baytown, Katy, Cypress, Spring, Humble
Sugar Land, Richmond, Rosenberg, Missouri City, Stafford
Conroe, The Woodlands, Montgomery, Willis
Galveston, League City, Texas City, Friendswood, Dickinson
Pearland, Alvin, Angleton, Lake Jackson
Courthouses we work regularly: Harris County Criminal Justice Center, Fort Bend County Justice Center, Montgomery County Courthouse, Galveston County Justice Center, Brazoria County Courthouse.
At your office, by phone, or at our Houston location. The meeting location is shared once your appointment is booked, to protect your clients, your case and our investigators.
Most matters start with a phone call.
Pick a time and we call you then. Or leave the basics and we call you back. Keep case details for the call.

Leave your name and number and we call you back during business hours. No case details needed. Or call now.