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Discover more about private investigators capability, employment and regulations in Lake Forest.


ICS provides a full range of private investigations in Lake Forest, Illinois, which are performed by licensed Lake Forest private investigators. Our investigators are committed to providing affordable, reliable service in your area and reporting their results in a timely, accountable manner. Contact us today to begin your case.


Local Lake Forest Private Investigation Services

ICS provides a full range of investigations services for the City of Lake Forest and all surrounding metropolitan areas. Simply submit a free online private investigation consultation form.

A private investigator in Lake Forest must apply to the Illinois Department of Public Safety and pass licensing requirements, including a thorough background check. While many private investigators come from a law enforcement or military background, it is not a requirement for employment as a private investigator in Illinois.

You can rest assured that any Lake Forest Private Investigator assigned to your case with ICS are fully licensed and insured in accordance with Lake Forest laws and participates in any required continuing education.

Lake Forest Private Investigator

With its population of nearly 13 million people, the State of Illinois is on par with the national medians in terms of crime rates.  In 2011, 401,272 index crimes were reported, which include both violent and property crimes.  Of the 31.18 crimes per 1,000 residents that averages, 4.29 were violent and 26.89 were property crimes, compared to 3.9 and 29.1 nationally.  The suburb of Lake Forest, however, with a population of less than 20,000, is rated one of the safest places in America, safer than 91% of other U.S. cities.  There were only 1.13 violent and 5.86 property crimes reported annually per 1,000 residents there.  But even with so little crime, you may need the services of a private investigator to get over the hump in a complex investigation. 

How to become a Private Investigator in Lake Forest

  1. Be at least 21 years of age
  2. Have no felony convictions within the last 10 years
  3. Is of good moral character and of mental competence, does not suffer from substance addiction
  4. Has a minimum of three (3) years experience within the past five (5) years working full-time for a licensed private detective agency, a licensed attorney, or in a law enforcement agency
  5. Pass a written examination

Lake Forest Private Investigator Restrictions

In order to conduct private investigations in Lake Forest, all private investigators must comply with local and federal laws.

  • Impersonate Law Enforcement - Private Investigators in Lake Forest cannot carry a badge, wear a uniform or say anything that might imply that the private investigator is a police officer or federal agent.
  • Make an Arrest - Private Investigators in Lake Forest cannot legally make an arrest. If there is evidence that suggests an arrest should be made the investigator should contact law enforcement.
  • Wiretapping - Wiretapping is illegal without a proper warrant. Private Investigators cannot tap a phone.
  • Trespassing - Private Investigators cannot break and enter onto private property.

Lake Forest Background Investigation

Do you need someones background investigated in Lake Forest? Are you in Lake Forest but need a background investigation conducted on a subject elsewhere? Background investigations are extremely useful and can provide detailed information that can be used for many reasons. If you need a background investigation for any reason contact ICS. International Counterintelligence Services has been offering background investigations in lake forest since 1967 and has investigators in every major region throughout the world. Contact us today and speak with a private investigator who can help you come up with a plan to get the information you need.

Lake Forest Child Support Enforcement Investigation

If you need child support enforcement because your ex spouse is hiding or refusing to pay, contact ICS. ICS has the experience and knowledge to not only help locate your spouse but to properly enforce the child support. Your children deserve to be looked after. Don't let your ex spouse get away with neglecting your children and call ICS today. ICS has been conducting Child Support Enforcement Investigations since 1967 and can help you just the same in Lake Forest.

Lake Forest Adultery or Infidelity Investigation

There are many reasons why you have become suspicious of Adultery in your marriage. However, just because you have uneasy feelings doesn't mean something bad is going on. Regardless, you deserve piece of mind and ICS can help. Do you believe you need an adultery or infidelity investigation in Lake Forest? ICS has been conducting Adultery or Infidelity Investigations since 1967 and we have experienced private investigators waiting to start your investigation today. Call ICS today and learn more about how our private investigators can find you the information you need to make a rational and educated decision on what to do next.


Private Investigation Cases Map for near Lake Forest, Illinois


Case Studies

  • Overseas Lost Person

    Private Investigator finds a lost person in an overseas country 01/24/2019

  • Locate Lost Person

    ICS was contacted in an attempt to locate a Subject that had been in a 3-year relationship with the Client. 01/17/2019

  • Child Custody Exchange

    ICS was contacted in an attempt to have an Investigator on site to witness the exchange of a child from father to mother. Due to the legality of the exchange, a verified witness was required by the Client to document a proper exchange to negate... 01/08/2019

  • Case Study: Infidelity investigation in a Resort City Like Dubai

    ICS was contacted by a Client in an attempt to verify if her spouse was engaging in acts of Infidelity while on a stay in a city much like Dubai. Investigators were dispatched. We had boot on the ground in the resort and reserved their stay. In... 10/01/2018

  • Case Study: Due Diligence investigation helps business move forward with new investors.

    The private investigator for ICS helped our client make informed decisions about their potential investigators. With this case study the efforts made by ICS thwarted the clients suspicion and made for better business dealing. 09/20/2018


Paper and Press Releases

  • Join our team of Qualified Parties

    There is simply no agency with an international footprint that takes better care of its private investigator talent. "Our solution is simple, take care of you like our own!" -Michael Rabern 08/29/2018

  • Teen Cyber Bullying

    Cyberbullying has become increasingly common, with the increased use of communication technology, especially among teenagers.
    12/07/2015

  • Cellphone Spyware

    Cellular Spyware is basically "phone surveillance". It is an app that has usually been installed by a third party on a cell phone that allows them to listen to or record conversations, track location and monitor all the data of the cell phone that... 12/07/2015

  • Workers Compensation Fraud

    Worker's compensation programs are compensation plans for the victims of all job-related injuries.  When an employee gets hurt on the job, the employer is liable for medical expenses, lost income and other expenses until the employee has healed... 12/07/2015

  • ICS Will Not Do Cheating Decoy Investigations

    International Counterintelligence Services (“ICS”), a leader in the private investigations industry takes a strong stand against Cheating Decoy Investigations. 12/07/2015




Recent Investigation Inquiries

Origin Investigation Location Case Type
Lake Forest, California California Other Private Investigator Case
Lake Forest, Illinois Illinois Cheating Spouse Investigation
Lake Forest California United States Anaheim, California United States Abandoned Property Investigation
Lake Forest California United States United Arab Emirates United Arab Emirates Adultery or Infidelity Investigations (Marital)
Lake Forest California United States Kankakee, Illinois United States Background Investigation (Pre-Marital or Pre-nuptial)
Lake Forest Illinois United States Chicago, Illinois United States Computer Forensics Investigation
Lake Forest California United States , California United States Adultery or Infidelity Investigations (Marital)
Lake Forest Illinois United States , California United States Criminal Background Checks and Search
Lake Forest California United States Los Angeles, California United States Background Investigation



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