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Trusted Infidelity Private Investigator in Chicago, IL

We Solve Infidelity Cases with Speed and Confidentiality

Dealing with a cheating spouse is never easy. The uncertainty is probably one of the most challenging things to deal with. An experienced private infidelity investigator can uncover the truth in a discreet and confidential manner, giving you peace of mind.

Getting your hands on concrete evidence is vital to make decisions for the future (which could involve eventual legal proceedings). Picking the right licensed private investigator is the key to receiving answers and the solid proof you will need to move forward.

We provide reliable private investigation services to get you the circumstantial evidence you need to make an informed decision.

Call Now: (312) 647-2017
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Is Your Partner Cheating? Consider an Infidelity Investigation

Shocking statistics suggest that 70 percent of people in the US admit to cheating at one point in their life or another. This is a common issue in relationships, but the fact that it’s commonplace doesn’t contribute to easier acceptance.

Various red flags suggest that a partner could be unfaithful.

Suspicious phone habits, decreased affection levels, a lack of intimacy, or changes in grooming habits all may suggest that a spouse is cheating. The sudden need for extra hours at work is another major troublesome signal that could be indicative of a cheating partner.

Carrying out a cheating spouse investigation is the best way to figure out what’s going on. If you’re dealing with suspected infidelity, get in touch with us for a free consultation.

It’s essential to work with a professional investigator who knows how to handle such delicate matters and understands that cheating investigations need tact, discretion, and experience. If you are married, things get even more complicated. Opening a matrimonial investigation is often a difficult decision for the spouse who believes something is amiss with their partner.

How to catch a cheating husband

Tools Infidelity Investigators Use to Identify a Cheating Partner

The key to evidence gathering and solving infidelity investigations is having the right tools and resources available. Without technology and capabilities to investigate, an investigation is doomed to failure. Our private investigators have conducted hundreds of infidelity investigations using a wide array of resources, including:

Surveillance

Both video and direct surveillance are available around the clock.

GPS Tracking

Save time and money using GPS to track vehicles.

Asset Search

Discover financial movements and hidden assets for successful spouse investigations.

Background Checks

Find background information about your partner with properly conducted background screening investigations.

Best Infidelity Investigator in Greater Chicago Land Area: Find Out if a Spouse Is Cheating

For over 38 years, LRI has assisted individuals in gathering the evidence they need to address suspicions of infidelity. Every case is managed by a private investigator and tailored to your specific needs. Whether you need divorce evidence or damaging evidence to base your child custody case, your LRI infidelity investigator will help you get to the bottom of things. Our service is available for the entire Chicago land area. In certain cases, our team can travel nationally to deliver evidence.
  • Entire Area of Chicago, Illinois – 60601
  • North to Waukegan, Illinois – 60079
  • Northwest to McHenry, Illinois – 60050
  • West to Elgin, Illinois -60620
  • Southwest to Joliet, Illinois – 60431
  • South to Chicago Heights, Illinois – 60411
Contact lri private investigation service area

Recent Case: We Will Be Honest and Direct

“I wasn’t sure if hiring an investigator was appropriate. I called Lawrence Ryan Investigations and they were super professional, open and honest with what they could help me with. It turned out I was not at a point I could use their help, and they were upfront about it. So when I do need their help, I will absolutely call them.”

– Jo A., Chicago, IL

frequently asked question

Our private investigation services are tailored to help you uncover infidelity with discretion, professionalism, and compassion. Whether you suspect your spouse may be cheating or you’re seeing signs of cheating in your partner’s behavior, our investigators are trained to gather evidence legally and effectively. From digital forensics and GPS tracking to surveillance and background checks, we use today’s digital tools to provide you with concrete evidence.

It can be worth hiring a private investigator for infidelity if you need concrete, legally admissible evidence, want peace of mind with professional surveillance, or suspect serious misconduct — but it depends on your budget, emotional readiness, and what you plan to do with the findings.
Common signs include changes in behavior, secrecy around devices, unexplained absences, and emotional distance. If your partner may be cheating, even subtle red flags could be a sign that something is off. Our professional private detectives can investigate these concerns thoroughly and confidentially.
An infidelity investigation can take anywhere from a few days to several weeks, depending on how often the suspected behavior occurs and the amount of surveillance needed. Cases with clear, predictable patterns wrap up faster, while complex or sporadic situations require more time.