We Are Southern California's Bug Sweeping Experts!
Bug Detection (TSCM) — Technical Surveillance Counter Measures
We detect electronic devices even if they are turned off and buried in a wall
About Our TSCM Services
Allstate Private Investigations, a leader in corporate and private investigative services, offers specialized Technical Surveillance Countermeasures (TSCM) — commonly known as Bug Sweeping — to detect and neutralize unauthorized surveillance threats. We utilize the most current technology from Research Electronics International (REI), a globally respected manufacturer of advanced counter-surveillance equipment and considered to be the "Gold Standard" of TSCM equipment used by law enforcement. We are trained and certified professionals direct through REI at their training facility in Tennessee.
Our Equipment & Technology
Spectrum Analyzers
These powerful devices allow us to visualize and analyze the radio frequency (RF) spectrum, detecting anomalies that could indicate the presence of covert transmitters, such as hidden microphones or video cameras sending signals wirelessly.
Non-Linear Junction Detectors (NLJD)
NLJDs are crucial for locating electronic devices, even if they are turned off or de-powered. They work by detecting the unique harmonic characteristics of semiconductor junctions found in all electronic circuitry, regardless of whether it's actively transmitting. This is invaluable for finding hidden bugs that might be dormant.
Signs You May Be Bugged or Tracked
If you've experienced any of the following, contact us immediately for a professional sweep. Mr. Taylor has over 26 years of TSCM experience and can identify threats others miss.
Signs of Bugs in Your Home or Office
Unusual interference on phones or electronics
Clicking, static, or volume changes during calls — especially when you're not touching the device — can indicate a tap or nearby transmitter.
Unexplained Wi-Fi or Bluetooth activity
Unknown devices appearing on your network, or your router showing unusual traffic at odd hours, may indicate a covert device transmitting data.
Items moved or disturbed without explanation
Smoke detectors, wall outlets, picture frames, clocks, or decorative items that appear slightly repositioned may have been tampered with to conceal a device.
Tiny holes or discoloration in walls or ceilings
Pinhole cameras are often installed through small drilled openings. Look for fresh spackle, paint touch-ups, or tiny dark spots in unexpected places.
Someone knows things they shouldn't
If a business rival, estranged partner, or adversary in litigation seems to know details of private conversations, your space may be compromised.
Electrical outlets or switch plates feel warm
Some listening devices draw power directly from your electrical system. An outlet or switch plate that feels warm when nothing is plugged in warrants investigation.
Signs of a GPS Tracker on Your Vehicle
You're being followed or your location is known
If someone consistently knows where you've been or shows up at locations you didn't share, a GPS tracker on your vehicle is a strong possibility.
Unfamiliar device under the vehicle
GPS trackers are commonly placed in the wheel wells, under the chassis, inside the bumper, or beneath the vehicle using strong magnets. Check these areas carefully.
Battery draining faster than normal
Some hardwired trackers draw a small but continuous current from your vehicle's battery. Unexplained battery drain — especially when the car is parked — is a warning sign.
Unusual wiring or unfamiliar connectors
A hardwired tracker may be spliced into your OBD-II port (under the dashboard) or into existing wiring. Any connector or device you don't recognize should be investigated.
What to Do If You Suspect You're Being Monitored
- 1. Do not discuss your suspicions in the space you believe is compromised — if a device is present, you'll alert whoever is listening.
- 2. Do not remove or tamper with any device you find — it may be evidence, and disturbing it could have legal implications.
- 3. Call us from a different location using a phone you trust. We'll arrange a discreet sweep at a time that doesn't alert anyone monitoring you.
- 4. Document anything unusual — photos of disturbed items, screenshots of unknown network devices, or notes about suspicious behavior — before calling us.