Complex Litigation Investigations in Los Angeles
Complex cases turn on volume and pattern. A single class action or mass tort can involve hundreds of people who were harmed, spread across years, locations, and jurisdictions, along with former employees, managers, and witnesses who saw what happened from the inside. Endeavor Group Private Investigation locates and interviews those people, pulls records from agencies and courts, identifies parent companies, successors, and related entities, and reconstructs how a business operated over time. The result is a factual record built for class certification, discovery, and trial in class action, mass tort, and toxic tort matters in Los Angeles and throughout California.
Investigation Support for Class Action, Mass Tort, and Toxic Tort Cases
Class Member and Witness Interviews
We locate and interview class members, putative class members, and fact witnesses, and document each interview in a format counsel can use for declarations and discovery. All contact follows counsel's direction and the communication rules that apply at each stage of the case.
Former Employee Interviews
Former employees often know how a company actually ran. We find them through public records and professional networks, interview them under counsel's direction, and stop short of privileged information belonging to the former employer.
Pattern and Practice Evidence
We document conduct across facilities, locations, and time periods: staffing levels, internal policies, complaint histories, and inspection results. The goal is evidence that shows a practice, not an isolated event.
Corporate and Background Research
Ownership structures, related entities, management history, prior litigation, regulatory actions, and press coverage. Know the company before discovery starts.
Public and Regulatory Records
California Public Records Act requests, federal FOIA requests where federal agencies are involved, state and federal court records, licensing files, and agency inspection reports.
Locating Lost Clients and Witnesses
Complex cases run for years. People move, change numbers, and stop responding. We find clients who have lost touch with the firm and witnesses who have relocated, before depositions, mediation, trial, or settlement distribution. We also handle re-interviews before testimony, updated chronologies, and fact summaries for mediation briefs
Case Types
Pharmaceuticals and dangerous drugs
Defective medical devices and implants
Defective consumer products
Large-scale food contamination
Hospital and healthcare staffing
Skilled nursing and elder care
Wage and hour and employment practices
Housing conditions and property management
Consumer protection
Data breaches and privacy
Mass casualty events and premises security
Aviation and transportation disasters
Wildfires and utility liability
Natural gas leaks and well blowouts
Landfill, odor, and environmental contamination
Contaminated drinking water
PFAS and “forever chemicals”
Industrial and chemical exposure
Pesticide and herbicide exposure
Asbestos and mesothelioma
Radiation exposure