HSI security and investigations team
What We Do

Specialized Services. Proven Results.

Every case is different. HSI develops a customized strategy designed to achieve the best possible results for attorneys, businesses, insurance companies, and private individuals across Texas.

Investigative Services

Personal Injury & Accident Investigations

Thorough field investigations documenting the facts behind personal injury and accident claims — gathering evidence, interviewing witnesses, and building a complete picture for attorneys and insurers.

Workers' Compensation Investigations

Discreet surveillance and investigation to verify the validity of workers' compensation claims, protecting businesses and insurers from fraudulent activity.

Domestic & Family Law Investigations

Sensitive, professional investigations supporting family law attorneys and their clients — from asset searches to behavioral documentation.

Child Custody Investigations

Objective, court-admissible documentation of parenting behavior and living conditions to support child custody proceedings.

Infidelity Investigations

Discreet, professional surveillance providing clarity and documented evidence for individuals navigating difficult personal situations.

Background Investigations

Comprehensive background checks on individuals and businesses — verifying identities, uncovering histories, and surfacing critical information before you make important decisions.

Undercover Operations

Trained operatives deployed in covert roles to gather intelligence, document activity, and support complex investigations requiring an inside presence.

Security Services

Executive & Personal Protection

Close protection services for executives, public figures, and high-value individuals — threat assessment, advance work, and on-site security personnel.

Natural Disaster Security

Trained security teams deployed to active disaster zones — hurricanes, wildfires, floods, and tornadoes — protecting personnel, equipment, and operations when conditions are most dangerous.

News & Media Security

Dedicated security escorts and on-site protection for journalists, news crews, and media organizations operating in high-risk or disaster environments.

Digital Forensics

Cell Phone Data Extractions

Advanced digital forensic extraction of data from mobile devices — recovering deleted messages, call logs, photos, and app data for use in legal proceedings.

Computer Hard Drive Forensic Imaging

Forensically sound imaging and analysis of computer hard drives, preserving digital evidence in a legally defensible format for litigation and investigations.

TSCM — Technical Surveillance Countermeasures

Professional sweeps of vehicles and residences to detect and neutralize unauthorized surveillance devices, protecting your privacy and security.

Get Started

Not Sure Which Service You Need?

Contact HSI for a confidential consultation. We'll listen to your situation and recommend the right approach.

HSI — Hernandez Security & Investigations
HSI, LLC
Hernandez Security & Investigations

C10521301

Trusted security and investigative services for media crews, news organizations, and disaster response operations across Texas and beyond.

Contact

Dallas / Fort Worth, Texas
Available 24/7 — Contact us for details

© 2026 Hernandez Security & Investigations, HSI, LLC. All rights reserved.

Licensed Private Investigation & Security Firm — State of Texas