PROJECT: SIGNAL JAMMERS AND ORGANISED CRIME

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South Africa is facing a sharp rise in highly organised crimes involving the use of illegal signal jammers.

These electronic devices, once limited to the tech-savvy underworld, are now being used with alarming frequency in everyday environments, from shopping malls to private homes.

Signal jamming is no longer a rare tactic — it has become one of the most common tools in criminal operations,

particularly in vehicle theft, hijackings, and follow-home robberies.

EXAMPLE CASE: ARMED ROBBERY FOILED IN JOHANNESBURG:

In a recent breakthrough, the Johannesburg Metro Police Department intercepted a suspicious Renault Kwid on the M1 North near Corlett Drive.
Upon searching the vehicle, officers discovered:
- A live firearm.
- A toy gun, often used to reduce suspicion while still intimidating victims.
- A signal jammer device.
- Live ammunition.
- Several mobile phones, likely stolen or used for coordinating the crime.
This vehicle was reportedly involved in an earlier armed robbery, underscoring the recurring use of the same getaway vehicles and criminal tools.
The suspects were arrested and handed over to Bramley SAPS for further investigation.

WHAT IS A SIGNAL JAMMER:

A signal jammer is a prohibited device that emits radio waves to disrupt or block wireless communication.
Criminals use them to interfere with:
- Car remote locking systems.
- Home alarm and panic buttons.
- GPS tracking devices.
- Mobile phones.
With a jammer active nearby, you may think your car is locked or your alarm is armed, when in fact, it is not.
This makes victims easy targets without them even realising it.

WHERE DO CRIMINALS GET SIGNAL JAMMERS:

Despite their illegality, these devices are widely accessible through:
- Black market electronics traders
- Online platforms and marketplaces disguised as “gadget” suppliers
- Telegram and WhatsApp groups selling "covert equipment"
- Smuggling routes from neighbouring countries
Devices often come disguised as everyday items like:
- USB chargers
- Bluetooth speakers
- Power banks
- Car phone holders
This makes them easy to carry, conceal, and operate without raising suspicion.

MODUS OPERANDI OF CRIMINALS USING SIGNAL JAMMERS:

Criminals use signal jammers in a range of scenarios, including:
- OUTSIDE SHOPPING MALLS AND BANKS:
  - When you press your key fob, you hear a beep, but your car does not lock.
  - Criminals then access your unlocked vehicle moments later.
- IN RESIDENTIAL AREAS:
  - During follow-home robberies, jammers are used to block alarm systems, disable electric gates, or prevent panic buttons from alerting private security.
- AT HIJACK POINTS:
- Jammers may be used near intersections or driveways, stopping victims from activating panic or tracking systems in critical moments.
These crimes are usually well-coordinated, involving:
- Spotters who identify vulnerable victims (especially those leaving banks or malls).
- Getaway drivers in common car models to blend in (e.g., VW Polo, Toyota Corolla, Renault Kwid).
- Use of fake or cloned license plates.
- Toy firearms to appear less threatening during the initial approach.

HOW TO PROTECT YOURSELF AND YOUR VEHICLE:

DOUBLE-CHECK LOCKING:
- Never trust the beep alone.
- Always physically check your door handles before walking away.
INVEST IN ADVANCED SECURITY:
- Install an anti-jamming alarm system that sounds when jamming is detected.
- Use a GPS tracker that alerts your phone or security provider when disconnected.
- Request manual locking options for critical systems such as gates or garage doors.
STAY ALERT IN PUBLIC SPACES:
- Park only in well-lit, monitored areas
- Avoid leaving any visible valuables inside your car — even clothing, bags, or loose change can be tempting.
JOIN THE LOCAL CPF OR SECURITY GROUP:
- Most areas have WhatsApp or Telegram community safety groups.
- These are ideal for sharing real-time crime alerts, vehicle descriptions, and suspicious activity.
REPORT ALL INCIDENTS IMMEDIATELY:
- Suspicious persons loitering near parked cars.
- Vehicles circling shopping centres.
- Individuals handling strange "chargers" or "gadgets" inside cars.
- Report to the SAPS Crime Stop: 08600 10111
- Anonymous tip-offs can also be submitted via the SAPS app or Crime Line.

HIGH RISK VEHICLE MODELS:

Be particularly cautious if you see the following models acting suspiciously:
- Renault Kwid.
- VW Polo.
- Toyota Corolla.
- Nissan Almera.
- Chevrolet Aveo.
These are often chosen for their low-profile look, affordability, and ease of disguise.

Signal jammers are invisible, silent, and deadly effective — unless you are informed.

The best way to beat these tactics is to stay educated, remain alert, and spread the word.

Share this message with your family, friends, domestic workers, and colleagues.
Ask your car insurer about anti-jammer tracking systems and theft coverage.
Equip your home and vehicle with multi-layered defences.

Signal jamming thrives in ignorance.

But through community action, awareness, and pressure on tech suppliers and law enforcement,

we can disrupt this criminal advantage.

Specialised Security Services invites the public to the Mike Bolhuis Daily Projects WhatsApp Channel.

This channel is important in delivering insights into the latest crime trends, awareness, warnings and the exposure of criminals.

How to Join the WhatsApp Channel:

1. Make sure you have the latest version of WhatsApp on your device.

2. Click on the link below to join the Mike Bolhuis Daily Projects WhatsApp Channel:

- https://whatsapp.com/channel/0029VarjftF8PgsI4pODE929

3. Follow the prompts to join the channel.

4. Make sure you click on "Follow", then click on the "bell"-icon (🔔)

CONTACT MR MIKE BOLHUIS FOR SAFETY AND SECURITY MEASURES, PROTECTION, OR AN INVESTIGATION IF NEEDED.

ALL INFORMATION RECEIVED WILL BE TREATED IN THE STRICTEST CONFIDENTIALITY AND EVERY IDENTITY WILL BE PROTECTED.

Regards,

Mike Bolhuis

Specialist Investigators into

Serious Violent, Serious Economic Crimes & Serious Cybercrimes

PSIRA Reg. 1590364/421949

Mobile: +27 82 447 6116

E-mail: mike@mikebolhuis.co.za

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