CASE OVERVIEW
Alicia had left Mike. The relationship was over, the situation had been difficult, and she had done everything a person does when they are trying to put distance between themselves and someone they needed to get away from. The problem was that Mike always seemed to know where she was.
It started as a feeling. Alicia would make a plan, go somewhere unannounced, change her routine, and Mike would still surface in ways that felt like too much coincidence to be coincidence. He knew when she was at work late. He knew when she was out with friends. He showed up places she had not told anyone she was going. The incidents were not constant, but they were consistent, and consistent was the word that kept sitting in Alicia’s mind as she tried to figure out whether she was being paranoid or whether something was actually happening.
She was not being paranoid, because something was actually happening.
Alicia came to Terrance Private Investigator and Associates in Pasadena. She told our team what she had been experiencing: the too-convenient appearances, the knowledge Mike seemed to have about her schedule and location that she had not shared with him, the overall sense that her movements were not private even though she had made every effort to make them private. She asked us to sweep her vehicle.
Our investigators swept Alicia’s vehicle. They found a GPS tracking device that had been placed on it without her knowledge or consent. The device explained everything she had experienced and provided her with documented evidence of what Mike had been doing.
Names have been changed, and this case study is published with permission.
THE CHALLENGE
The challenge with a GPS tracker is that the feeling it produces is indistinguishable from paranoia until the device is found. Alicia needed someone to take her concern seriously enough to look.
People in Alicia’s situation face a specific and frustrating problem: the evidence of being tracked is behavioral rather than physical. Mike seemed to know where she was. That is not a fact that a person can point to and say: here, look at this, this is proof of something. It is a pattern that looks like coincidence from the outside and feels like surveillance from the inside, and the gap between those two experiences is exactly where someone in Alicia’s position gets dismissed, second-guessed, or told they are imagining things.
Alicia was not imagining things. The question was whether the explanation for what she was experiencing was a tracking device on her vehicle, and the only way to answer that question definitively was to physically inspect the vehicle with the equipment and expertise to locate a device that had been deliberately hidden.
GPS trackers are designed to be invisible. They are compact, they are durable, they are placed in locations specifically chosen to avoid casual discovery, and they transmit location data continuously without any visible sign that they are present. A person who does not know what to look for, where to look, or what electronic signatures to detect for is not going to find one by looking under their car with a flashlight. A professional sweep uses both physical inspection techniques and electronic detection equipment to locate devices that are designed not to be found.
Alicia needed someone to look properly. We looked properly. The device was there.
THE INVESTIGATION
Our investigators swept Alicia’s vehicle from bumper to bumper. The tracker was in one of the standard locations that someone with enough knowledge to place a device without being detected knows to use.
A professional GPS tracker detection sweep is a systematic operation covering both the exterior and interior of the vehicle, using physical inspection techniques in combination with electronic detection equipment capable of identifying the signal signatures of active tracking devices. Here is how the sweep was conducted and what it produced.
The physical inspection
Our investigators conducted a comprehensive physical inspection of Alicia’s vehicle, covering every location commonly used for covert tracker placement: the wheel wells, the undercarriage, the areas behind both front and rear bumpers, the trunk compartment, the interior beneath the seats, and the OBD-II diagnostic port beneath the dashboard. GPS trackers and AirTags placed without consent are typically positioned in locations that offer physical concealment, some protection from weather and road debris, and access to a clear enough signal to transmit location data reliably.
The device was located during the physical inspection. It had been placed in a location that would not be visible to Alicia or anyone who was not specifically looking for it, attached to the vehicle in a way that made it secure enough to have remained in place across the full period Alicia had been experiencing the unexplained appearances and location-aware behavior from Mike.
Documenting the device and what it established
Our investigators documented the device with photographs before removal, recording its placement, attachment method, and physical characteristics. The documentation established the nature of the device, its location on Alicia’s vehicle, and the fact of its presence as a confirmed finding rather than an allegation.
The timeline aligned with the duration for which the device appeared to have been in place corresponded to the period during which Alicia had been experiencing the behavior that had prompted her to contact us. Mike had not been showing up in her life because he had a sixth sense about her schedule. He had been showing up because he knew exactly where she was, in real time, because a device on her vehicle was telling him.
What Alicia did with the documented finding
Alicia received the documented report, the photographic evidence, and the removed device. She received confirmation that what she had been experiencing was real, that the explanation was a tracking device placed on her vehicle without her consent, and that she now had documented evidence of that fact in a professionally organized form that her attorney could work with.
In Texas, placing a tracking device on a vehicle without the owner’s consent is a criminal offense under Texas Penal Code Section 16.06. Alicia’s documented finding gave her attorney a specific, evidenced basis for the legal response she needed to initiate. She walked out of the investigation with the thing that had been taken from her: the confirmed knowledge that her sense of her own life had been accurate all along.
What the sweep produced
Everything below was documented during the vehicle sweep and appears in the report delivered to Alicia.
- Comprehensive physical inspection completed. Alicia’s vehicle was inspected systematically from bumper to bumper, covering all standard and non-standard covert device placement locations on the exterior and interior of the vehicle.
- GPS tracking device located. An unauthorized GPS tracking device was located on Alicia’s vehicle during the physical inspection, placed in a concealed location designed to avoid casual discovery.
- Device documented before removal. The device was photographed in place before removal, documenting its placement, attachment method, physical characteristics, and specific location on the vehicle.
- Timeline correlation established. The device’s apparent placement timeline corresponded to the period during which Alicia had been experiencing location-aware behavior from Mike, providing documented context for the pattern she had reported.
- Complete documented report delivered. Alicia received a professionally organized report covering the sweep methodology, the device found, the photographic documentation, and the specific findings, structured for use by her attorney in a legal proceeding.
HOW THE EVIDENCE HELPED
Alicia had been dismissed, second-guessed, and told she was overthinking it. The documented device told a different story, in a form that nobody could dismiss.
Here is what a GPS tracker does to a person beyond the surveillance itself. It makes them question their own perception. Every incident that felt like too much coincidence gets re-examined. Every moment where Mike seemed to know something he should not have known gets catalogued and weighed against the possibility that she was reading too much into things. The tracking device was not just violating Alicia’s physical privacy. It was actively undermining her ability to trust her own reading of her situation, because every piece of evidence she had was behavioral and every piece of behavioral evidence looks like paranoia to someone who has not found the device yet.
The documented finding ended that. It confirmed that Alicia’s instincts had been correct across the entire period she had been experiencing those incidents. It gave her attorney a specific, documented, legally actionable basis for pursuing the criminal and civil remedies available to her under Texas law. It gave her the specific knowledge of exactly how Mike had been maintaining his access to her movements so that she could take concrete steps to restore her actual privacy rather than just hoping the appearances would stop.
More than any of that, it gave Alicia back the credibility of her own perception. She had known something was wrong, and she had been right. The device confirmed it and the documented report put that confirmation in a form the world could see.
THE RESULTS
The device was found and the documentation was built. Mike’s ability to track Alicia’s movements ended the day our investigators swept her vehicle in Pasadena.
The sweep produced a confirmed finding, a complete photographic documentation package, and a professionally organized report delivered to Alicia and her attorney. The unauthorized GPS tracking device was removed from her vehicle. The real-time location access Mike had maintained through the device ended. Alicia’s attorney had documented evidence of a criminal offense under Texas Penal Code Section 16.06 to work with.
Alicia had come to us with a feeling she could not prove and a situation she could not fully explain. She left with documentation that proved the feeling was right, that explained the situation completely, and that gave her the legal foundation to respond to what Mike had been doing in the way it deserved to be responded to.
If something in your life does not feel right, trust that feeling enough to get it checked. Clarity begins with facts, not assumptions.
Why Choose Us
Seventeen years of documented casework. Founded in 2009, with more than eight hundred cases closed across Houston, Dallas, Austin, San Antonio, Miami, and Atlanta.
We take the feeling seriously before the device is found. Alicia came to us with a pattern, not a device. Our investigators took the pattern seriously, conducted a professional sweep, and found what the pattern had been pointing to. A person who says something feels wrong is often right about something feeling wrong.
Professional sweeps using physical inspection and electronic detection. A GPS tracker designed to avoid casual discovery is not going to be found by a phone app or a quick look under the car. Our investigators use professional electronic detection equipment alongside systematic physical inspection to locate devices regardless of their type, power source, or placement location.
Documentation built for legal use. The finding from a professional sweep is only as useful as the documentation that supports it. Our report covers the sweep methodology, the device found, the photographic evidence, and the specific findings in a format that an attorney can take directly into a legal proceeding.
Texas law is on your side. Placing a GPS tracker on a vehicle without consent is a Class A misdemeanor in Texas under Penal Code Section 16.06. A professionally documented sweep finding gives your attorney the specific evidenced basis needed to pursue the criminal and civil remedies available under that statute.
Licensed and accountable. Texas DPS License A30913601, with investigators operating across six metro markets.
If something does not feel right, it deserves to be checked.
If someone in your life seems to know where you are when they should not, if you have left a relationship and the person you left still appears to have access to your movements, or if you simply have a feeling that your vehicle may not be private, our investigators can conduct a professional sweep and tell you definitively what is there. A confidential consultation costs you nothing.
Call (832) 404-3400 or submit your case below. If you believe you are being tracked right now, do not wait.
getanswers@piterrance.com
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Resources
Internal Resources
- GPS Tracker Detection — How our investigators conduct professional vehicle sweeps for unauthorized tracking devices.
piterrance.com/case-studies/gps-tracker-detection/ - Surveillance Investigations — How our surveillance operations document activity and associations for personal and legal use.
piterrance.com/services/surveillance-investigations/ - Background Checks — How we verify identities and document backgrounds for clients navigating safety concerns in personal relationships.
piterrance.com/services/background-checks/ - Who We Serve: Individuals — Information for private clients navigating safety, surveillance, and domestic investigation concerns.
piterrance.com/who-we-serve/individuals/ - Who We Serve: Lawyers — How we work with attorneys on counter-surveillance and tracking device documentation for legal proceedings.
piterrance.com/who-we-serve/lawyers/ - Start Your Case
piterrance.com/new-case-request/
External Resources
- Texas Penal Code Section 16.06 — Unlawful Installation of Tracking Device — The full text of the Texas statute that makes placing a GPS tracker on a vehicle without consent a criminal offense.
https://statutes.capitol.texas.gov/Docs/PE/htm/PE.16.htm - National Domestic Violence Hotline — If the tracking device is part of a larger pattern of controlling, coercive, or abusive behavior, the National Domestic Violence Hotline provides immediate support and safety planning resources.
https://www.thehotline.org/ - Texas Council on Family Violence — Texas-specific resources for individuals experiencing stalking, harassment, or technology-facilitated abuse from a current or former partner.
https://tcfv.org/ - State Bar of Texas — Find a Lawyer — Search for licensed Texas attorneys specializing in stalking, harassment, protective orders, and criminal proceedings related to unauthorized tracking.
https://www.texasbar.com - Apple Support — Unwanted AirTag Tracking — Official Apple resources for detecting and disabling an AirTag that may have been placed on your belongings without your consent.
https://support.apple.com/en-us/HT212227
Frequently Asked Questions
What is a GPS tracker detection sweep in Houston?
A GPS tracker detection sweep in Houston is a professional counter-surveillance operation in which our investigators conduct a systematic physical and electronic inspection of a vehicle to locate any unauthorized tracking devices, including GPS trackers, AirTags, and other location-monitoring hardware that may have been placed without the owner’s knowledge or consent. The sweep produces a documented finding that can be used as evidence in a legal proceeding.
How do I know if someone put a GPS tracker on my car?
Common signs include an ex-partner or former associate who consistently seems to know your location or schedule, unexpected encounters with someone who should not know where you are, the feeling of being followed despite no visible tail, and behavior from someone in your life that suggests they have access to information about your movements. A professional vehicle sweep is the only reliable way to confirm whether a tracking device is present.
What is the difference between a GPS tracker and an AirTag?
A GPS tracker is a dedicated tracking device designed specifically for location monitoring, typically with its own power source or wired connection, capable of transmitting real-time location data via cellular network. An AirTag is a consumer tracking accessory made by Apple that can be misused as a covert tracking device. Both can be placed on a vehicle without the owner’s knowledge. Our sweep detects both types as well as other unauthorized tracking hardware regardless of make or model.
Is it illegal for someone to put a GPS tracker on my car in Texas?
Yes. In Texas, placing a GPS tracking device on a vehicle without the owner’s consent is illegal under Texas Penal Code Section 16.06, which makes it a Class A misdemeanor. If the tracking is connected to stalking or harassment, additional charges may apply. We recommend consulting with a Texas attorney about your specific situation and how documented evidence of an unauthorized device may support a legal response.
Where are GPS trackers typically hidden on a vehicle?
GPS trackers are most commonly placed in the wheel wells, the undercarriage, behind bumpers, inside the trunk area, under seats, and in the OBD-II port beneath the dashboard. Our investigators conduct a systematic sweep of all standard and non-standard hiding locations during a professional vehicle inspection.
How do I start a GPS tracker detection sweep with Terrance PI?
Call or text our team at (832) 404-3400, email getanswers@piterrance.com, or submit your case at piterrance.com/new-case-request/. If you believe you are being tracked right now, do not wait. We respond quickly and handle every inquiry with complete discretion.
