International Specialized Investigations
  • Home
  • About Our Investigators
  • Our Investigative Team
  • Investigations License
  • Contact
  • Investigations Services
  • Mexico Investigations
  • Investigadores Privados
International Specialized Investigations
  • Home
  • About Our Investigators
  • Our Investigative Team
  • Investigations License
  • Contact
  • Investigations Services
  • Mexico Investigations
  • Investigadores Privados

Bilingual Private Investigators for Criminal Defense (Englis

Criminal Defense Investigations

We provide strategic criminal defense investigation services to support attorneys and legal teams in building strong, evidence-based cases. Our investigators work closely with defense counsel to uncover critical facts, identify inconsistencies, and develop information that can significantly impact the outcome of a case.


Our private investigators are fully fluent in Spanish, allowing us to communicate directly with Spanish-speaking defendants and witnesses. This ensures accurate statements, clear understanding, and effective case development without language barriers.


Our senior investigator, Ryan Grayson, brings extensive experience working with Spanish-speaking communities and a strong understanding of cultural nuances. This insight enhances our ability to build trust, gather reliable information, and conduct thorough, effective investigations.


Our services include witness interviews, recorded statements, scene investigations, background checks, and evidence development. We focus on locating key witnesses, verifying statements, and uncovering information that may be overlooked or not fully explored during the initial investigation.

Every case is handled with discretion, attention to detail, and a commitment to producing accurate, court-admissible results. We understand the importance of timelines, confidentiality, and thorough documentation when supporting criminal defense matters.


Whether assisting on misdemeanor or felony cases, we provide reliable investigative support designed to strengthen defense strategy and deliver clear, actionable intelligence.

Bilingual Private Investigators (English & Spanish)

Spanish Speaking Private Investigators

Our team includes experienced Spanish-speaking private investigators, providing bilingual investigation services for criminal defense cases involving Spanish-speaking witnesses, clients, and communities. 

Defendant Management

We conduct in-custody jail visits and meet with defendants on bond to gather critical information, review case details, and assist in developing a strong defense strategy. Our investigators work directly with clients to ensure accurate statements are obtained and key facts are fully documented.

We maintain consistent communication with defendants throughout the investigation, keeping them informed on progress, updates, and any new developments in their case. This ongoing contact helps ensure alignment between the client, attorney, and investigative strategy.

All interactions are handled with professionalism, discretion, and a focus on supporting effective criminal defense investigations.

Witness Locates & Inteviews

We specialize in locating hard-to-find witnesses and conducting thorough, professional interviews to uncover critical information. Using advanced investigative techniques and databases, our team identifies and tracks down individuals who may be essential to your case.

Our investigators conduct detailed witness interviews to obtain accurate statements, clarify facts, and identify inconsistencies. We ensure all interviews are handled with professionalism and documented properly for use in legal proceedings.

From initial locate to final statement, we focus on delivering reliable, court-ready information that supports a strong and effective defense strategy.

Affidavits & Statements

We obtain and prepare witness affidavits and statements to accurately document key facts and firsthand accounts. Our investigators ensure all statements are clear, detailed, and properly structured for legal use, providing reliable, court-ready documentation that supports a strong defense. 

Crime Scene Review& Witness Canvassing

We conduct detailed crime scene reviews and witness canvassing to uncover critical evidence and identify potential witnesses. Our investigators examine the scene, verify timelines, and systematically canvass surrounding areas to locate individuals who may have seen or heard relevant information, ensuring no key detail is overlooked. 

Mitigation

We conduct in-depth interviews with defendants and their families to gather critical background information, including mental health history, medical conditions, childhood experiences, and military service. Our investigators develop a comprehensive profile that highlights key factors relevant to mitigation, helping attorneys present a more complete and humanized case during sentencing or negotiations. 

Subpoena Service

We provide prompt and reliable subpoena service, ensuring legal documents are properly delivered in accordance with applicable laws and procedures. Our investigators handle service with professionalism and attention to detail, documenting each step to provide proof of service that meets court requirements. 

Court Ordered Mental Health Transports & Facility Inspections

We coordinate and conduct court-ordered mental health transports, ensuring individuals are safely and securely transferred to designated facilities in compliance with legal requirements. Our team handles each transport with professionalism, discretion, and attention to the individual’s well-being.

We also perform facility inspections to document conditions, verify compliance, and gather information relevant to legal proceedings. Our detailed observations and reporting provide attorneys with reliable information to support their case.

Speak with a Private Investigator

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International Specialized Investigations

U.S.A. Phone: (800) 515-6790 Mexico Phone: 011-52-559-425-6762 Texas D.P.S. License A18949

Hours

Mon

09:00 am – 05:00 pm

Tue

09:00 am – 05:00 pm

Wed

09:00 am – 05:00 pm

Thu

09:00 am – 05:00 pm

Fri

09:00 am – 05:00 pm

Sat

Closed

Sun

Closed

International Specialized Investigations

202 East Central Avenue, Belton, TX 76513

U.S.A. Phone: (800) 515-6790

Copyright © 2026 International Specialized Investigations - All Rights Reserved.



Texas D.P.S. license a18949

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