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A former federal prosecutor with over 35 years of experience and a proven track record of success.

Contact Us

Direct and Immediate Contact:
Text or Call Steven Gruel at 415-533-6973

San Francisco Office

Serving Northern California

315 Montgomery Street, 10th Floor

San Francisco, California 94104 (map)

Text or Call Steven Gruel at 415-533-6973

Los Angeles Office

Serving Southern California

555 West Fifth, 31st Floor

Los Angeles, California 90013

Text or Call Steven Gruel at 415-533-6973

Sacramento Office

Serving All Surrounding Counties

1024 Iron Point Road

Folsom, California 95630

Text or Call Steven Gruel at 415-533-6973


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Steven F. Gruel - Blue Colt Investigations

California Licensed Private Investigator

Working as a Federal Prosecutor for 15 years Steven F. Gruel worked with federal, state and local law enforcement agencies and used investigative techniques and methods to help solve some of his biggest cases.

"Frankly, I've developed a network of some of the best retired FBI, IRS and other law enforcement agents to assist in my investigations. My network includes other skilled independent investigators who will work with me to get the job done."

"I've always liked handling cases with long investigations," Gruel explained in this article from California Lawyer Magazine. "I was on the Organized Crime Task Force for ten years, where we made cases based on undercover operations and stings. Investigation was so part and parcel of being a federal prosecutor that I just wanted to continue with it."

Now, with Blue Colt Investigations he can use these same skills and techniques to help with your case or legal matter.

Ask for Blue Colt Investigations today at 415-989-1253 or contact him on the web here.

Available Services:

  • Surveillance
  • Asset Searches/Locate Bank Accounts/Mortgages
  • Criminal Defense
  • Locate Witnesses / Missing Persons
  • Complete Domestic Investigations
  • Document Review
  • General and In-depth Business Investigations
  • Witness Interviews