About Us

Lloyd M. McCullough is the man behind Prometheus Investigations. He is a highly skilled, solutions-oriented Licensed Private Investigator based in Inglewood, California. With over 31 years of experience in law enforcement, he is recognized for his exceptional service, strategic investigative tactics, and successful problem-solving abilities.

Mr. McCullough is described as a compassionate and approachable professional who excels as a motivator, communicator, and advocate. He possesses an innate ability to establish rapport, build trust, and interact with individuals from all walks of life. His colleagues and clients consistently acknowledge his capacity to maintain solid professional relationships with administrative entities, private sector actors, and government agencies at the local, state, and federal levels. He is adept at managing diverse personalities, defusing stressful situations, and maintaining composure and professionalism during high-pressure crises.

Since April 2019, Mr. McCullough has served on the Investigator Panel for the Los Angeles County Superior Court, having been appointed by the Honorable Terry A. Bork. He is a Licensed Investigator in the State of California (License #188689) through the Bureau of Security and Investigative Services.

In this role, his areas of investigation include:

• Criminal Defense
• Crimes against Persons and Property Crimes
• Identity Theft and Vehicular Crimes
• Crimes of Violence and Domestic Violence
• Due Diligence and Mitigation
• Witness Locating

Mr. McCullough’s extensive career in law enforcement began on July 8, 1988, when he joined the Los Angeles County Marshal’s Office as a Deputy Marshal. He served there until January 1, 1994, receiving training in bailiff duties, civil process, officer safety, and court security.

Following his time as a Deputy Marshal, he served with the Los Angeles County Sheriff’s Department as a Deputy Sheriff from January 1994 until his retirement from the department in April 2019. During his more than 25 years with the Sheriff’s Department, he accumulated over 10,000 hours of investigative experience in patrol operations. His patrol career progressed from a single-man unit to the Traffic Unit, after which he was promoted first to a Training Officer for new recruits and later to Senior Training Officer. In this capacity, he trained over 50 Deputy Sheriff Trainees on key aspects of police work, including Officer Safety, Tactics, Force, Law, Departmental Directives, and proper Investigative and Interview Skills.

Mr. McCullough attended Rio Hondo Community College from June to November 1988. He earned his P.O.S.T. (California Peace Officer Standards and Training) Certification in December 1988 and his Advanced P.O.S.T. Certification in September 2006.

Throughout his career, he has completed a vast array of specialized training, including:

Investigative Techniques

• Search Warrants
• Wiretaps
• Narcotic Street Development
• Vehicle Theft
• Social Media/Electronic Communication Investigations
• Statement Analysis
• Cell Phone Extraction
• Financial Crime Investigation

Tactical and Field Skills

• Firearms (Handguns, Rifles, Shotguns)
• Less than Lethal Weapons
• Combat Fighting and Takedown Procedures
• Active Shooter Response
• Pursuit Driving
• Crowd Control and Riot Training

Specialized Law Enforcement

• Advanced Roadside Impaired Driver Enforcement (ARIDE)
• Breath Alcohol Testing
• Drug and Alcohol Recognition
• Racial Profiling Training

Professional Development

• Respect-Based Leadership
• Tactical Communications
• Sexual Harassment for Managers
• Tools for Tolerance

He is also a 2024 graduate of the California Defense Investigators Association (CDIA) Academy and is certified in Android and iPhone cell phone data extraction.