Litigation Support Services

When Litigation Is Threatened or Initiated, Reliable & Admissible Information Is Power

At McCarthy Byrnes, we provide elite litigation support services tailored for attorneys, law firms, and corporate legal teams. Our investigators are not just seasoned professionals—they are former Chiefs of Police, Cold Case Homicide Detectives, Special Agents in Charge, and Major Crime Unit Commanders. With decades of experience in high-stakes investigations, our team delivers strategic insight, admissible evidence, and expert testimony that can shift the balance in your favor.

Whether you’re preparing for trial, responding to a legal threat, or navigating a complex dispute, we work side-by-side with your litigators to uncover facts, identify vulnerabilities, and build a winning strategy.

Our Litigation Support Capabilities

Evidence Review & Strategic Case Analysis

Our experts dissect case files, reports, and exhibits to uncover inconsistencies, procedural errors, and overlooked opportunities that can shift the trajectory of a case.

Due Diligence Investigations

We conduct comprehensive background checks, financial reviews, and corporate intelligence gathering to support informed legal and business decisions.

Witness Identification, Location & Interviewing

Our team locates hard-to-find witnesses and conducts professional interviews to gather credible, court-admissible statements.

Social Media & Digital Surveillance

We monitor online activity to uncover relevant content, connections, and behavioral patterns that may impact your case strategy.

Asset Search & Recovery

We trace hidden assets and financial movements to support civil litigation, divorce proceedings, and fraud investigations.

Expert Witness Services

Our professionals provide courtroom-tested expert testimony in areas including:

• Use of Force & Officer Conduct
• Police Policy & Procedure Violations
• Internal Affairs & Criminal Investigations
• Evidence Handling & Chain of Custody

Covert Surveillance Operations

Our seasoned investigators conduct discreet, legally compliant covert surveillance to document behaviors, verify claims, and gather actionable intelligence. Whether supporting insurance defense, family law, or corporate fraud cases, our surveillance operations are tailored to meet evidentiary standards and client objectives.

Why Legal Teams Trust McCarthy Byrnes

• Elite Investigative Experience: Our team includes top-tier law enforcement professionals with backgrounds in federal, state, and local agencies.
• Policy & Procedure Expertise: We identify violations of law enforcement and corporate protocols—critical in civil rights, employment, and liability cases.
• Collaborative Strategy Development: We work closely with attorneys to align investigative findings with legal objectives.
• Credible, Courtroom-Tested Experts: Our team is respected for its professionalism, clarity, and impartiality in testimony.