O'Brien Investigations

Award Winning Investigator

"When Only the Best Will Do"

Private Investigator | Services | Resources | Clients Speak | Joe O'Brien | Reference Library | Free Consultation |

30 Wall St. 8th Floor, New York, NY

Tel: 212-859-3526

Sometimes failure is not an option;  success is required.  When that time comes you want the best there is,  the person with a track  record of proven success.  

The recipient of the U.S.  Attorney General's  prestigious "Distinguished Investigator Award"  as the most outstanding  investigator in the United States for his work in the FBI,  Joe O'Brien is an investigator, author, and  lecturer whose field skills and track record have no equal.  The movie version of  his NY Times best seller,  Boss of Bosses  aired on TNT and is now available at video rental stores.

He combines intelligence, resourcefulness, connections through the law enforcement communities of the world of , with integrity and more than twenty five years of professional investigation experience to offer you outstanding investigation services.  Based in New York City, O'Brien Investigations, is what you want on your side for your investigation needs.

Review our qualifications, read our case histories, evaluate our resources, and then choose the very best

Choose O'Brien Investigations when only the best will do! .

World Association of Detectives

(Associated Licensed Detectives of NY State)

Video Clip



Media Coverage of O'Brien Investigations
(click text to view)

View Joe O'Brien's Presentation to a UN Panel -
Seeking Information on Bob Levinson September 2016

Seeking Robert Levinson, the C.I.A. Consultant Who Vanished
by Barry Meier, May 13, 2016

Judge Dismisses Case Against Man Wrongfully Convicted of Murdering Childhood Pal
New York Post September 17, 2011

Queens Man Cleared Of 1995 Murder Conviction
New York Post September 16, 2011

Queens Man Freed After 13 Years For a Crime He Says He Didn't Commit (video)
New York Daily News, September 15, 2011

May 2011
New York Law Review
It Was the Right Thing To Do"

August 6, 2010
New York Times
Investigation frees convicted murderer (

August 15
New York Post (

See CBS Interview with Joe O'Brien -August 14, 2010

Quoted in New York Magazine  Jan 19, 2004
"Murder at Rao's"

Interviewed Court TV Feb 20, 2004

Appointed technical consultant HBO series on PIs.

Oath Leads Pals On Quest, Long Island Newsday January 21, 2000

Syracuse Native Honored for FBI Service
- Syracuse Herald American

Local  FBI Agent Sells  Story  Of His Biggest Bust - Syracuse Post Standard

Listed as FBI agent with major success in government fight against La Costra Nostra