Nobody picks up the phone to call a private investigator hoping they are right. When someone reaches out about an infidelity investigation, they are usually hoping to be proven wrong.
But the doubt is already there. The late nights, the changed passwords, the distance that was not there before. And once that doubt takes hold, it does not let go on its own.
If you are at that point, here is what you need to know about how an infidelity investigation actually works — and what you can expect from the process.
Why People Hire a PI for Infidelity
The most common reason is simple: they need to know the truth.
Some people need confirmation before they can make a decision about their relationship. Others need documented evidence for a legal proceeding — divorce, custody, or a financial dispute where infidelity is relevant. And some just need to stop living with the uncertainty.
Whatever your reason, it is valid. You deserve clarity.
The Initial Consultation
Every infidelity investigation starts with a confidential consultation. This is a private conversation between you and the investigator — no judgment, no pressure, no obligation.
During this conversation, you will share what you have observed, what your concerns are, and what outcome you are hoping for. The investigator will ask questions to understand the situation and determine the best approach.
This is also your opportunity to ask questions. How will the investigation be conducted? What kind of evidence can realistically be gathered? How long will it take? What will it cost?
Everything discussed in the consultation is completely confidential.
What Surveillance Looks Like
The core of most infidelity investigations is surveillance — observing and documenting a subject's movements, activities, and associations in public spaces.
In Illinois, surveillance conducted in public places is entirely legal. A licensed PI can follow a subject, photograph or video-record their activities in public, and document who they meet with and where they go. What a PI cannot do is trespass on private property, record conversations without consent, or access private accounts or devices — and no ethical investigator will attempt any of those things.
Surveillance is typically conducted during the windows of time when suspicious behavior has been reported — evenings, weekends, specific recurring time blocks. The goal is to document what is actually happening, not to confirm a predetermined conclusion.
The Evidence You Receive
At the conclusion of the investigation, you receive a documented report. Depending on what was observed, this may include:
- Photographs — timestamped images of the subject's activities and associations
- Video footage — recorded documentation of movements and interactions
- Written report — a detailed account of dates, times, locations, and observations
- GPS data — vehicle location documentation where applicable
All evidence is gathered through legal means and is suitable for use in legal proceedings if needed. This matters enormously if your situation may involve divorce or custody proceedings.
How Long Does It Take?
There is no universal answer. Some cases produce clear documentation within a few days of surveillance. Others require more time, depending on the subject's schedule, the frequency of suspicious behavior, and the specific circumstances.
During the consultation, I will give you a realistic assessment of the timeline based on what you share with me. I will never string a case along unnecessarily — my goal is to get you answers as efficiently as possible.
What If the Investigation Finds Nothing?
This happens. And when it does, it is actually valuable information.
If surveillance produces no evidence of infidelity, that is documented too. You receive the same professional report — and you have something concrete to work with, whether that means rebuilding trust in your relationship or simply finding peace of mind.
Discretion Is Non-Negotiable
One of the most common concerns people have before reaching out is whether the investigation will be discovered. Will their partner find out? Will neighbors or coworkers notice?
Discretion is not just a courtesy — it is a professional standard. Surveillance is conducted in a way that does not alert the subject, does not involve confrontation, and does not create a situation that could escalate. The investigation happens quietly, and the results come to you privately.
Is This the Right Step for You?
If you have been sitting with doubt for weeks or months, you already know the answer is not going to come on its own. The question is whether you want documented truth or continued uncertainty.
An infidelity investigation does not make the situation harder. It gives you something solid to stand on — whatever the truth turns out to be.
Talk to Me Before You Decide
You do not have to commit to anything to have a conversation. I offer a free confidential consultation to anyone considering an infidelity investigation in Chicago or the surrounding suburbs.
Call me directly at (773) 217-8204 or visit piradames.com. The conversation is private, there is no pressure, and you will leave with a clear picture of your options.
Whatever the truth is — you deserve to know it.