Private Investigation Services

Are you contemplating a vital personal or business arrangement and questioning whether you have all the facts necessary to make a correct decision? Worldwide Intelligence Network can expeditiously assist you in acquiring factual information to make an informed decision. We are a licensed and insured private investigation services company in California and New York. Our services are requested by: lawyers; law firms; the entertainment Industry; multinational and public corporations; small to large businesses and the general public. No case is deemed too small or too large. We provide Private Investigators in every metropolitan city in America and nearly every metropolitan city in the world. Many of our associate investigators are former government agents and police detectives.


We enjoy a distinguished record of success and are rated among the top five private investigation companies in America by Conde Nast Publications (the publishers of Vanity Fair, Vogue, Golf Digest, Wired, The New Yorker, Cosmopolitan and many more top selling magazines around the world). The Better Business Bureau awarded us their highest rating of A+. Yelp and AngiesList gave us five star ratings. Accolades from many of our attorney clients praised us for our contributions to their complex litigated matters and assistance with their trial preparation. Clients who sought our help in obtaining evidence of infidelity have been immensely satisfied with the quality of our “Date & Time Stamped” surveillance videos. Worldwide Intelligence Network enjoys a significant record of success identifying dishonest employees guilty of embezzlement, theft of merchandise, conspiring with competitors and corporate espionage. Our asset investigators are among the best in America. Our cyber investigation investigators have maintained an impressive record of success in identifying perpetrators of bullying, anonymous emails and internet intrusions.

We’ve often been told by clients that when they first contacted us they immediately felt we understood their issue and that we had the knowledge and ability to help them resolve their issue. Most assuring to our clients was our promise that everything they told us would remain absolutely confidential. Integrity is the essence of everything successful. When you break the rules of integrity you invite serious complications into your life. Keep life simple and enjoyable by doing what you know in your heart is right.

We offer a Free Consultation [877] 885-5220

Best Rated Private Investigator Surveillance Services


We are very proud to be ranked among the Best Los Angeles Private Investigators  and the Best New York Private Investigators by Expertise  due to our superb discrete New York City, Los Angeles Surveillance Investigations over the past thirty years. Being able to conduct a successful surveillance without being detected is a difficult skill to attain as it takes years and thousands of hours to perfect. Not once has a subject we surveilled known they were being surveilled. HOW TO CHOOSE THE BEST SURVEILLANCE INVESTIGATOR FOR YOU When selecting a Private Surveillance Investigator, in Los Angeles or New York try [...]

Robert Mann, Lead Detective of Worldwide Intelligence Network


Lead detective and President of Worldwide Intelligence Network ( Robert Mann has over 29 years of experience working on extraordinary national and international complex investigations alongside some of the most renowned attorneys in America. As an accomplished California and New York Licensed, Private Investigator Mann has dedicated his career to solving epic civil and criminal investigations. Mann investigated matters concerning embezzlement, law enforcement misconduct, counterfeiting, intellectual property infringement, criminal conspiracy, identity theft, asset location, and recovery. Worldwide Intelligence Network is also licensed as a Personal  Protection Bodyguard Services company Mr. Mann is known for his expertise in interviewing, researching, assessing, [...]

Infidelity Adultery Cheating Spouse Investigator


We understand it may be awkward, embarrassing and most likely difficult for you to call an infidelity, adultery private investigator. Coming to terms with the possibility of betrayal is devastating, heart breaking and it can also break your spirit. You might find yourself questioning whether it’s your imagination. Not knowing is terribly disruptive. Above all else your piece of mind is priceless. Trust is the most important aspect in a relationship and to assure yourself that your bond remains strong you should know without a shadow of doubt whether your spouse or significant other is being unfaithful. Our private investigators [...]

New York Private Investigator Services


Worldwide Intelligence Network is a licensed and insured private investigation company in New York offering New York private investigator services for the past twenty nine years. We also maintain a superb network of associates in over sixty countries  who have time and again demonstrated excellent investigative results along with access to confidential sources. We are known for our prompt reporting, and for continually keeping our clients updated on the status of their case. The majority of the cases we investigate are; adultery, cheating  and infidelity. Intellectual property infringement; embezzlement; white collar crime; employee malfeasance; breach of contract; criminal defense at [...]

Los Angeles Private Investigation Services


Approximately 300 Los Angeles private investigators offer Los Angeles private investigation services. Knowing which LA private investigator to select can be challenging. Your intuition is your best barometer. Basically it comes down to which private investigator you spoke with was the most attentive and appeared to have understood your issues and concerns. For the past twenty-five years we have maintained a superb reputation as evidenced by the numerous testimonials on our website. Furthermore we are rated A+ by the Better Business Bureau and were ranked among the top five private investigation companies in America by Conde Nast Publication the company [...]

Private Investigator Finds Lost Loves-Family Members-Missing Persons


You searched everywhere and you are unable to find that special person. Our private investigators are experts at finding family members, lost loves and missing persons. Our private detectives are dedicated professionals when it comes to locating someone you must find. Do not give up  hope because we’re here to help. Worldwide Intelligence Network’s private investigators specialize in locating difficult to find people. We have multiple private investigative techniques and resources that we use to find loves, family members and missing persons. We waste no time initiating your investigation because the longer we wait the more difficult it becomes. PRIVATE INVESTIGATORS BEST KNOWN FOR [...]

Locate Witnesses and Other Key Figures


Your case appears to be in jeopardy. It hinges on your ability to present evidence to the court that can only be verified by a crucial witness — which you have been unable to locate and you have tried everything. If you can’t locate this key asset, then you may face defeat. We locate witnesses and other key figures with a 95% success rate. The Worldwide Intelligence Network Advantage Despite the fact that many witnesses do not want to be found and sometimes appear to have “vanished”, Worldwide Intelligence Network has time and again located very difficult to find witnesses. [...]

Locating Missing Children, Family and Relatives


Don't waste precious time. Swift resolution is key in locating a missing child, family member or relative. Finding Missing Children You Can Hold Them Safely In Your Arms Again What is crucial in locating missing children, whether they have been abducted or have runaway, is the speed at which they are found. The first thing you should do is contact the police, and the second, is contact us. We start investigations immediately upon receipt so that absolutely no time is wasted. Because this sensitive matter requires a unique set of abilities that only specific investigators possess, our former federal agents [...]

Executive Level Background Checks


Executive level background checks encompass a much deeper level of intelligence gathering. These involve such tasks as in-person interviews with former employers and/or associates, financial institutions, prior business partners, family and friends. Plateaus of an executive level investigation involve international media searches, global credit reports, nationwide and worldwide asset searches. They also include an exhaustive search on multiple domestic and foreign legal filings that vary from state to state and country to country. Our expertise includes investigations of potential and current high-level executives in multinational corporations as well as key personnel, partners, investors and principals involved in a merger and [...]

Personal Background Checks


How well do you know the person or group of people you are contemplating becoming involved with? Whether it is a personal or business relationship it will affect your life and your happiness for some time. Your future is at stake. You have the absolute right to know all there is to know about the person(s) prior to entering into that next critical stage of the relationship. A personal background check provides you with a wealth of information to help you make the right decision. You definitely deserve to know if this anticipated relationship will make your life better, more [...]

Media Attention


Worldwide Intelligence Network has been in the media several times, serving as experts in the field of investigations and protection. The following are just a few examples of the media attention we have received. MSNBC Discussing the Laci Petersen murder investigation and the workings of unreported wire taps. NBC News Worldwide Intelligence Network founder, Robert Mann, talks about practicing due diligence to find out more about a nanny before you think about hiring them to watch your children. The Fabulous Life How do Bodyguards protect celebrities? Find out on this clip from The Fabulous Life, Insane Celebrity Entourages. Star! Robert [...]

Desi Riley, Director of Infidelity Investigations


Desi Riley is our resident expert in infidelity investigations. She is very understanding about the emotional turmoil male and female clients experience when dealing with a partner suspected of cheating. In addition, Desi consults with very complex investigations, as she has a unique sixth sense that has been proven time and again to be spot on. In addition to heading up Worldwide Intelligence Network’s Infidelity investigations, Desi Riley has been involved in several other investigations ranging from Embezzlement to Criminal Defense. She has mentored several victims of infidelity as to what to do once infidelity is confirmed. Desi has saved [...]

Stalker Investigations and Protection Services


Has your stalker acted out in a course of conduct directed at you that would cause you to feel fear and to be unsafe? If that is your situation please call our Stalker investigations and Protective Services division immediately (310) 385- 8200. We can change your fear to feeling safe and secure. Stalking is a criminal offense. If you are a stalker victim, you have the right to pursue legal action against the person who is stalking you and to have law enforcement arrest your stalker under certain circumstances. We will protect you and do what is [...]



Having provided investigative and protective services for over 23 years, we have only our esteemed clients to thank. These are some examples of client feedback we have received.     Click Letters To Enlarge     On behalf of Public Counsel, I write to thank you for the invaluable help you provided to our clients." - Patrick Dunlevy, Directing Attorney, Consumer Law Project     "I can't say enough great things about Robert Mann, prinicpal at Worldwide Intelligence Network. Straight and fast responses, extremely knowledgeable and he always goes the extra mile. I highly recommend him for investigative services in the [...]

Help for Stalking Victims


If you’re a stalking victim you don’t ever need to feel abandoned or helpless. Being stalked is absolutely frightening and we understand how you feel and how scared you are. It is an invasion of your privacy and your personal space. If you are a victim of stalking, here are some things you can do to protect yourself: If the stalker is calling you on the phone, let the call go to voice mail or an answering machine, with the recorded greeting of another person’s voice. Retain all messages that they leave as evidence that you can hand over to the police. [...]