inquiṡitóres Bureau of Investigations, Ltd.

Our focus

Eavesdropping Detection and Protection & EMF/RF Assessments and Remediation
Bug Detection – TSCM

Are you being monitored? inquiṡitóres Bureau of Investigations provides eavesdropping protection and counter-surveillance security.

Vehicle inspections

We inspect and test for eavesdropping and GPS tracking in cars, limousines, aircrafts, yachts, trains, construction equipment, and others.

Security Systems

Temporary and Permanent Security Systems for facilities, offices, floors, and/or buildings.

EMF-RF Assessments & Remediation

Most Americans may be at risk due to the daily exposure to electromagnetic radiation, commonly referred to as EMF or EMR.

Our vast experience in eavesdropping detection and counter-surveillance security gives us the understanding, knowledge, and expertise of detecting RF and EMF Fields. The equipment that we use to find bugs also detects RF and EMF fields in homes and businesses that have electromagnetic pollution.

About US

Eavesdropping Detection and Protection
EMF-RF Assessments and Remediation
inquiṡitóres Bureau of Investigations, Ltd.

We can help! Engage inquiṡitóres Bureau of Investigations today. Our superior deductive and inductive investigative powers and the ability to investigate any problem will help you with all personal and/or business matters:

Phone-free events, we can detect cell phones where they are not allowed.
Monitored 24/7 security systems, access control, CCTV, alarm systems, and video monitoring.
Spy-cams and covert video detection.
Security audits.
Wi-Fi, VoIP, Telephone, & Power Lines avesdropping detection.
Cars, limousines, aircrafts, & yachts eavesdropping detection and GPS tracking sweeps.
Facilities Technical Surveillance Countermeasures (TSCM) inspections: law offices, boardrooms, trading floors, executive suites, conference rooms, corporate apartments, executive homes and offices, off-site business meetings, hotel rooms and resort conference areas.
Political campaign eavesdropping Technical Surveillance Countermeasures (TSCM) detection and monitoring.

We are the experts in the area of RF and EMF detection and remediation. inquiṡitóres Bureau of Investigations offers EMF Assessments and Remediation with state of the art professional equipment that allows us to identify sources of RF and EMF pollution in homes and businesses. In addition to testing, we offer mitigation solutions designed to lower your RF and EMF exposure.

  • Experience

    Are you being monitored? Or, are you concerned about EMF/RF pollution in your home or office?

  • Results

    Discover any possible surveillance devices, bugs, or security weaknesses using Technical Surveillance Countermeasures (TSCM). Take control of your environment with the EMF Assessments and Remediation.

  • Knowledge

    We are EMF/RF experts. If you cannot afford a security breach, engage inquiṡitóres Bureau of Investigations today to perform regular Technical Surveillance Countermeasures (TSCM) detection and monitoring.

  • peace of mind

    inquiṡitóres Bureau of Investigations will help you remediate any harm.


Many of our corporate clients require Technical Surveillance Countermeasures (TSCM) sweeps and monitoring on a regular bases.

Get in touch

Illinois Private Detective Agency License Number 117.001820

If you need immediate assistance, please call the detective on duty at 773-902-3131, email, or use the contact form below.

Thank you