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Private Detective, Private Investigator Houston, Private Investigator Woodlands

36 years Criminal and Civil investigative experience!

Are you looking for a professional private investigator services at an affordable price? LOOK NO FURTHER!



Blue Line Investigations

Blue Line Investigations LLC, is a full-service private investigator agency. Serving the greater Houston, Livingston, and South East Texas area with the following investigative services: Suicide and Death investigations, Crisis Intervention, mobile surveillance, Fatality commercial vehicle accident investigation and reconstruction, Private vehicle accident investigation and reconstruction, Assault investigations, Workplace and Corporate theft investigations, missing person locator, evidence collection, Burglary and Theft investigations, Elderly neglect and abuse investigations, wrongful death investigations, Child abuse and Spousal abuse investigations and more. 

The owner and lead private investigator is William “Bill” Ferguson who is an honorably retired Houston Police Officer with 30 years of combined experience (civilian and military) with experience working in:

• Homicide Division's Murder Squads

•Homicide Division's Major Assault Unit

•Investigative First Responder Division

•Truck Enforcement Unit

•Northwest Tactical Unit

•Crisis Intervention Team

• Burglary and Theft Division

William also spent six years as a Military Policeman in the U.S. Army and was twice Honorably Discharged. William has five years experience in Private Investigations.

President, Texas Association of Licensed Investigators

Member-Texas Criminal Defense Lawyer's Association

Member-Houston Police Retired Officer's Association



  • Experienced
  • Affordable
  • Responsive
  • Diligent
  • Reliable



Do you need to have someone watched? We do both static and mobile surveillance for cheating spouses, spousal abuse, child endangerment, child abuse, elderly abuse and more...

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We accept court appointed cases and conduct criminal defense support for all part one crimes including murder, capital murder, assaults, narcotic offenses...

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Still have questions about a loved one's death? We will not stop until we solve the case. This includes investigations for...

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Need to find a hard-to-find someone? We specialize in locating and serving hard to find people, such as...

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We can help you find all the information you need about a company or a person. investigation, we also conduct interviews to supplement and verify information...

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Our general investigation services include person and witness location, static and mobile surveillance, spouse surveillance, workplace investigations...

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Do you need a scene and post-accident vehicle inspection to help determine what may have contributed to the cause of the collision...

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We investigate all types of digital information on laptops, desktops, and vehicle black boxes including: phone calls, texts, photos, videos, cookies, web history, location data, recordings, emails, and chat sessions...

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Hire us now! Request a free quote





If you want a private investigator in Livingston or Houston who knows the system and has 35 years investigative experience then call us today!  

We do NOT  work Court Appointed cases in Harris County.


 Houston - Livingston-Conroe- The Woodlands -Spring - Humble - Tomball-Cleveland-Katy-Cold Spring

Lufkin and surrounding areas. 

Texas Department of Public Safety

Private Security Bureau

License A-04123301

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