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


ICS provides a full range of private investigations in Wilmette, Illinois, which are performed by licensed Wilmette 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 Wilmette Private Investigation Services

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

A private investigator in Wilmette 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 Wilmette Private Investigator assigned to your case with ICS are fully licensed and insured in accordance with Wilmette laws and participates in any required continuing education.

Wilmette 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 city of Wilmette is a smaller suburb with only 27,000 people, and it is rated safer than 61% of U.S. cities.  Only 0.33 violent crimes and 15.25 property crimes were reported annually per 1,000 residents, keeping it well below the national medians.  But there is still a need for experienced private investigators, such as those with ICS, if you want to ensure that your case is being handled by someone who is dedicated all of the necessary resources to your case.

How to become a Private Investigator in Wilmette

  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

Wilmette Private Investigator Restrictions

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

  • Impersonate Law Enforcement - Private Investigators in Wilmette 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 Wilmette 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.

Wilmette Background Investigation

Do you need a background investigation in Wilmette? Are you in Wilmette but need a background investigation somewhere else? Background investigations can be very informative but are not always what a client needs. Sometimes a background investigation is all someone needs where other cases start off with a background investigation as a part of a much larger investigation. To learn more about how ICS can help you with your background investigation in Wilmette call us and speak with a Private Investigator. Our Investigators are knowledgeable and experienced and can obtain any information your looking for.

Wilmette Missing Persons Investigation

Do you need a Wilmette Missing Persons Investigation conducted? Are you located in Wilmette and think you need a missing persons investigation conducted elsewhere? Trying to find a missing person can be very difficult and feeling as though your alone without help can be demoralizing. The police often do not have the time, resources or manpower to accomplish a full missing person investigation which often leaves those searching for that person feeling helpless. ICS has been conducting missing persons investigations since 1967 and we do have the time, resources and manpower to help you with your missing person investigation. To learn more about how ICS can help you with your missing person investigation call us and speak with one of our qualified private investigators. Don't wait any longer wondering whether or not your loved one is safe.

Wilmette Child Support Enforcement Investigation

Do you need help getting enforcement on child support in Wilmette? If your ex spouse has skipped town to avoid paying on child support you may need help tracking that person down. Your child deserves to receive the support their entitled to and you should not stand for letting your ex spouse get away with negligence. Call ICS today to speak with a private investigator who will discuss with you how we can help you with child support enforcement and get you the money you need.


Private Investigation Cases Map for near Wilmette, 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
Waukegan, Illinois Illinois Cheating Spouse Investigation
Kesleyville, California Illinois Background Investigation
Aurora, Illinois Illinois Child Abuse or Molestation
Peotone, Illinois Illinois Blacklisting and Blackballing Investigations
Illinois Surveillance (Beacon or GPS tracking)
Palatine, Illinois Illinois Cheating Spouse Investigation
Illinois Slander and Defamation of Character Investigations
Libertyville, Illinois Illinois Slander and Defamation of Character Investigations
60173, Illinois Illinois Email Tracking and SMS Tracing
Chicago, Illinois Indiana Runaway and Missing Children


Wilmette Private Investigator Listing

Hanrahan Investigations

9914 Derby Lane, Suite 201
Weschester, Illinois 60154
Phone : 708.343.1955; 708.343.1888; 800.667.5500
Email : jwhan@hanrahaninvestigations.com
Office Contact: John Hanrahan

Investigative Solutions

2314 Route 59, Suite 320
Plainfield (Chicago), Illinois 60544
Phone : 815-405-4682
Email : jwkis@comcast.net
Office Contact: Jim Kasper

Marcella Teplitz

401 Main Street, Suite1530
Peoria, Illinois 61602
Phone : 309-685-2900; cell 309-657-1421
Email : mteplitz@teplitzco.com
Office Contact: Marcella Teplitz

RGH Investigations

505 E Illinois St, Chicago, IL 60611
Chicago, Illinois 60611
Phone : 312.768.0376
Email : bob@rghinvestigations.com
Office Contact: Bob Hanrahan

Spyder-I Investigations

3535 Bell Rd. Unit 503 Nashville, TN. 37214
Chicago, Illinois 37214
Phone : 615.485.0007
Email : wendy@everythingrealestatellc.com
Office Contact: Wendy Lockhart

Verify Investigations

112 S. Sangamon St
Chicago, Illinois  60607
Phone : 773-368-3976
Email : blopez@verifypi.com
Office Contact: Ben Lopez

Walden Investigative Group

7719 N. Pioneer Lane
Peoria, Illinois 61615
Phone : 309-696-5541
Email : info@waldeninvestigations.com
Office Contact: Scott Walden


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