Art M.
Art M.
2018-08-22 03:12:57
We hired them for a job, they did a horrible job and all the bad reviews we read on Google were correct.
Rebecca H.
Rebecca H.
2017-07-04 18:06:06
If the option was available, I would have chosen more stars. Robert Mann provided his services to secure our home, giving us peace of mind from what was a...
Tracy D.
Tracy D.
2017-03-03 10:58:23
WIN was very speedy and efficient with their service. I sent an email over the weekend requesting a bodyguard in the next 2 days. They called me within an...
Joan N.
Joan N.
2016-05-24 15:06:32
My wife and I have used the private investigator services of Robert Mann on 3 separate occasions, and have found Mr. Mann to be skilled in his profession...
Fran P.
Fran P.
2016-05-17 18:14:11
I must admit that I was quite anxious and very apprehensive about calling a private investigator. I had conjured up a number of mental images consisting of...
Robin E.
Robin E.
2014-09-02 14:41:05
"I retained the services of Robert Mann's Worldwide Intelligence Network to handle a very sensitive matter for my family in Los Angeles, CA. Not knowing of...

Robert Mann

HomeArchives for Robert Mann

About Robert Mann


Robert was born in New York and as a youngster moved to California with his family where he now resides. Robert became an ardent reader of suspense novels and cultivated a passion for solving mysteries at a very young age. Twenty-six years ago he founded the Worldwide Intelligence Network which is an accomplished licensed California and New York Private Investigation company. Today his investigative skills encompass a broad range of diverse investigative assignments all presented on his company’s website. Worldwide Intelligence Network’s investigative assignments have taken Robert around the world where he often worked alongside with associates native to the country where the assignments took him.

Several valued and well-respected prestigious law firms from coast to coast have retained the services of Worldwide Intelligence Network as well as public and private corporations, government agencies such as the County of Los Angeles and the City Attorney of Los Angeles, Metropolitan Transit Authority of Los Angeles. Robert and his team of investigators serve small business owners, multi-national corporations, celebrities, and high-net-worth individuals. Worldwide Intelligence Network is ranked among the “Five Best Private Investigation Companies in America” by Conde Nast Publications.

Culturally savvy and globally-minded; Robert became an expert at interviewing, researching, assessing, writing/editing, and reporting with a keen understanding of the law, evidentiary procedures, and validation of admissible evidence, as well as applicable fraud statues at the State and Local levels.

One of Robert’s most memorable investigations took place in Ho Chi Minh City, Vietnam (formally Saigon) where he was retained to conduct an extraordinary challenging and dangerous investigation of his client’s son’s murder. After concluding that investigation and identifying the killers, Robert felt compelled to write a novel “The Assignment” that was published and received excellent reviews.

Robert was continually being asked to provide Bodyguard services by his clients, and thus he acquired a license to offer Bodyguard Services around the world.

  • He has saved his insurance company clients hundreds of thousands of dollars by exposing fraudulent claims.
  • He located millions of dollars of embezzled funds overseas which led to a very favorable settlement.
  • He prevented an innocent client from being convicted of bribing a Federal Agent; The case was dismissed.
  • He located two runaway children within hours of their parent's requests.
  • He exposed a criminal conspiracy perpetrated by father and son upon an elderly woman with a terminal illness. Both were captured and convicted to five years in prison.
  • He revealed both unfaithful and faithful spouses in hundreds of infidelity assignments.
  • He identified who stole tens of thousands of dollars in jewelry from an elderly woman with dementia and had that person arrested.
  • Asked to locate an employee of a law firm who went missing he found out that she had been murdered by her significant other who when confronted by the Los Angeles Police Department, took his life.
Robert personally connects with all of his clients and potential clients to make sure they are presented with the best investigative options and personal protection services.


California Private Investigator’s License, 14745
Private Investigator’s License New York, #0311124
California Private Patrol Operator’s License #15757
POST Certified on Background Investigations Course
Member of the California Association of Private Investigators CALI
Qualified Provider of MCLE by The California State Bar
Robert provides Pro Bono Investigative Services to the Public Counsel of Los Angeles.
Public Counsel is the largest pro bono law firm in the nation.
13 09, 2018

Helpful Tips on Hiring a Private Investigator

By | September 13th, 2018|

In a world fraught with deception; scams, hacking, fraudulent Social Media postings, misinformation, identity theft, criminal conduct and infidelity one might find themselves seeking the help of a private investigator also known as a private detective or PI. This blog is intended to enlighten anyone seeking the services of either a Los Angeles Private Investigator or a New York Private Investigator and what they should be aware of before hiring them. Right out of the box, you must be mindful that not all PI’s are qualified, whether they are licensed or not. This blog will hopefully assist you in making [...]

4 09, 2018

What You Should Know Before Retaining a Private Investigator

By | September 4th, 2018|

Often, people seeking the services of a Private Investigator have a misconception about what to expect when meeting with a Private Investigator. Some folks conjured up images of Magnum PI, Columbo or Monk as they begin their search for a Private Investigator to help them with their issue. However, in today’s day and age private investigators come in all shapes and seldom resemble Private Investigators on TV. You might ask how does someone become a Private Investigator? Do they attend a specific college or university? Are they retired law enforcement officers? For the most part, the majority of Private Investigators [...]

25 04, 2018

How to protect your personal data from Facebook

By | April 25th, 2018|Tags: , , |

The world is indeed changing with the rapid advancement in the technology. We could not imagine that one day I could be chatting with my friends in the comfort of my home on a computer or cell phone. Well, it has come to pass, and Facebook is one of the social media platforms that had given us that luxury. To be allowed to use Facebook you first have to register with your personal details such as email, name and contact information. You imagined that your private information was not supposed to be released to the public without your permission yet [...]

14 02, 2018

Private Investigators and Employee Investigations: What to Do When Employees Come Under Suspicion?

By | February 14th, 2018|Tags: , , |

Employee background checks are common practice when it comes to hiring new employees. But what should companies do when they suspect “employee malfeasance” after being employed? One of the first steps taken is to launch a thorough investigation. This may sound like a simple task, but it can quickly become a nightmare (and grounds for a lawsuit) if not handled correctly. So instead of taking on this task alone, most companies are hiring private investigators to conduct employee misconduct investigation services. Small to large businesses and public companies stand to lose thousands of dollars should an employee file suit for [...]

4 01, 2018

Recommendation for Personal Protection Services

By | January 4th, 2018|

Having used the services of Worldwide Intelligence Network ( for a volatile emergency situation involving family members, I wholeheartedly recommend the company to anyone seeking personal protection by a trained and seasoned professional. From the first contact I made just prior to the Holidays when Robert Mann personally handled my phone call, all of my questions were answered, business conducted promptly and efficiently, and the necessary protection skillfully and empathetically delivered, even flawlessly encompassing a last-minute change. To my surprise, Mr. Mann's services did not stop once the protection did. Over a holiday weekend, he called to follow up on [...]

6 11, 2017

Protect Yourself from Stalker: The Possible Ways

By | November 6th, 2017|Tags: , , , |

STALKING A TERRIFYING CRIME Many Stalking victims fear that they are unable to protect themselves or know how to stop their stalker. Even though stalking is a criminal offense in many states across America, there are legal guidelines that must be met for law enforcement to proceed with an arrest warrant and to prosecute a stalker. A victim who is unable to provide evidence that they are a victim of a stalker may be unable to obtain the help of law enforcement. What evidence does it take you may ask? Here are some examples: An actual physical and possibly harmful [...]

30 08, 2017

Testimonials – TBWA Chiat/Day, Inc

By | August 30th, 2017|

TWA/Chiat Day one of the most successful advertising agencies in the USA retained our firm to locate the cast members below from the movie “The Wild One” released in 1953. TWA/Chiat Day wanted each member shown in this billboard approval for Levi Strauss jeans. Worldwide Intelligence Network located all these actors to the delight of TWA/Chiat Day. Each cast member received a royalty fee. This was a super challenging, yet gratifying assignment. "I just wanted to say Thanks! Did you see the billboards? I thought you might like a poster. I got a call from K. K. Davis last week. [...]

22 06, 2017

Testimonials – Homeless Prevention Law Project

By | June 22nd, 2017|

On behalf of our homeless clients, I would like to express my sincere gratitude for your excellent service to our organization. You provide prompt, thorough and gracious assistance to our clients facing the direst of circumstances. Your assistance to our disabled client living on the streets is just the most recent example of your dedicated work. Because of your investigative assistance, you no only put him on a path to securing permanent housing, you helped reunite him with his family after over 20 years of separation. We work with people facing many barriers just to meet their basic needs. Through [...]

11 05, 2017

27 Things I Learned from My 27 Years of Experience as a Private Detective

By | May 11th, 2017|Tags: |

I have 27 years experience as a Los Angeles Private Investigator and a New York Private Investigator. Our profession is also referred to as private detectives. During those 27 years  I learned a great deal, trained others and I successfully solved thousands of investigation assignments. What follows is sharing my experience over the past 27 years with you the reader.     Author, Robert Mann, Director of  Worldwide Intelligence Network 1. Hiring a private detective is a daunting job because there are so many to choose from in each city. 2. We know that people interested in hiring a private investigator  have [...]

6 03, 2017

Eye Opening Federal Criminal Case Dismissed

By | March 6th, 2017|

Author; Robert Mann, Director of Worldwide Intelligence Network LOS ANGELES PRIVATE INVESTIGATOR VS. US GOVERNMENT I’ve been a Private Investigator in Los Angeles and New York City for twenty-six years, and have investigated a number of challenging criminal investigations. What you are about to read might appear to be a preface to a novel, but the reality is that this is a valid case study. Hiring a private investigator is to uncover the truth. This story is about finding the truth against insurmountable odds. INTRODUCTION Upon meeting the subject of this article (herein referred to as Steve), the first words [...]

9 12, 2016

(Updated)Tips on Hiring a Private Detective

By | December 9th, 2016|Tags: , , |

In a world fraught with deception; scams, hacking, misinformation, fraud, criminal conduct and infidelity one might find themselves seeking the help of a private investigator also known as a private detective and PI. This article is intended to enlighten anyone seeking the services of a private investigator and what they should be aware of before hiring a Private Detective. Know this! Not All Pi’s are qualified. Confidentiality Is Imperative Before discussing a situation with a Private Detective, it is advisable to ask whether the discussion with them will remain private and confidential. The PI should make it abundantly clear that anything discussed [...]

22 11, 2016

Testimonials – John Lang, Loeb & Loeb LLP

By | November 22nd, 2016|

I write to reiterate my appreciation for the outstanding detective work and litigation support that contributed to the dismissal, at trial, of all charges against our client in the bribery case of U.S. v Mullen et al.(handled out of our Los Angeles office). Your investigative deductions regarding the bogus nature of key government records proved correct, and your identification of the authorship of the handwriting on the critical, so-called “anonymous complaint” was instrumental in establishing the dishonestly of the case agent up whose testimony the government had centered its prosecution.- John Lang, Loeb & Loeb LLP Click to Enlarge [...]

21 11, 2016

The Startling Truth About Nanny Child Abuse

By | November 21st, 2016|Tags: , , |

If you are a parent contemplating hiring a nanny or child care provider, this article is intended to help protect you and your child from the unspeakable horrors of nanny child abuse. As the founder of one of America’s preeminent nanny agencies forty-eight years ago, I will explain how we successfully prevented nanny child abuse from ever occurring. To fully appreciate the importance of this article and the seriousness of how pervasive nanny child abuse is nearly two million people subscribed to this videos depicting nanny child abuse. We learned from our own personal and professional experience that parents often [...]

20 10, 2016

(Updated)How Many Of Your Social Media Friends Have A Key To Your Home?

By | October 20th, 2016|Tags: , , |

  For those who enjoy posting on Social Media, ask yourself these questions: Have you posted information about where you live,  the names of your children and pets and where you work? Have you posted information about the party you are going to this weekend? What about when your getaway vacation starts or your plans with your children tomorrow? If you posted any of these examples, you need to be aware that you may have provided information that is extremely helpful to hundreds of potential burglars or worse yet, kidnappers. You might as well have posted where you hide that [...]

20 10, 2016

Confirming Infidelity: Are You Delusional or is Your Partner Cheating on You?

By | October 20th, 2016|Tags: , , |

IS YOUR PARTNER A CHEATER Robert Mann, Author Director of Worldwide Intelligence Network A Full Service Private Investigation & Bodyguard Services Company You have an uncomfortable feeling that your life’s partner is unfaithful to you and that they are cheating. You made up your mind to confront your partner and asked if they are unfaithful. Your partner replied, “are you delusional?” You expected a denial but not such a harsh response. That answer moves you closer to contemplating severing the relationship knowing it will break your heart not to mention how afraid you are of being alone again. [...]

25 08, 2016

(Updated)Is your Stalker Real or Imagined?

By | August 25th, 2016|Tags: , , |

Signs of a Stalker: Are You Being Followed? There are 7.5 million people stalked every year. Has your stalker acted out in a course of conduct directed at you that would cause you to feel fear and to be unsafe? Is your stalker someone you know, or you do not know but has consistently been following you, calling or sending you letters, emails even gifts or flowers? Those occurrences constitute sufficient evidence to establish you are being stalked. You should try to document every incident and sighting of your stalker, including the location, the date and time of confrontation or [...]

9 05, 2016

(Updated)Locate Someone With the Help of a Private Investigator

By | May 9th, 2016|Tags: , |

PEOPLE NEEDING PEOPLE As an international private investigation firm, we often receive requests from clients to conduct a locate investigation to find an ex-girlfriend, boyfriend, ex-spouse or relative who they allegedly lost contact with.  We are in the business of finding people for those who are reaching out to find that special someone. However, we make sure their intentions are legitimate, and they are not using us to find someone they want to cause harm to. It is a tremendous responsibility to reveal a person's location without first making sure they want to be found. ETHICAL & MORAL RESPONSIBILITIES  We [...]

21 04, 2016

Miley Cyrus Home Burglary

By | April 21st, 2016|

Miley Cyrus’ year recently went from bad to worse, with reports of a recent burglary pop sensation’s home. It was reported that two intruders, a man and a woman, broke into the singer’s home and stole purses, jewelry and her 2014 Maseratti Quattroporte. The burglary took place at 4:00 p.m on a Friday and police found no evidence of forced entry. The couple managed to scale a wall that surrounded the singer’s property and entered her home via the singer’s garage. 

Cyrus was not present at her home at the time, as she was conducting the European leg of her [...]

31 03, 2016

(updated)Your Awareness Could Prevent A Terrorist Attack

By | March 31st, 2016|

Prior to 911(September 11 attacks), we would not have paid attention to a suitcase left unattended at the entrance or inside an airport terminal. Today that suitcase should be an immediate safety concern to everyone at that airport. It takes only a moment to dial 911 and report the presence of an unattended suitcase. True, the suitcase could have been accidentally left behind or perhaps it could be a bomb waiting to be detonated. Each and every one of us must try to remember to be hyper-aware and diligent of any unusual observation or occurrence. Our minds as unfortunate as [...]

18 01, 2016

New York Bodyguard Services

By | January 18th, 2016|

Worldwide Intelligence Network has been providing armed and unarmed New York Bodyguard Services for the past twenty-three years and not a single client has ever been injured in all that time. In addition to serving clients in New York we have offices in Los Angeles and Ventura County, California along with associate Bodyguards in over sixty countries around the world. We also provide risk assessment for estate security and we utilize the latest in state of the art detection, intrusion and video surveillance equipment. Whether you require one year or lifetime service we will provide you with the finest [...]