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Northlake police warn of gas pump screw scam

Published June 2, 2026 · Updated June 2, 2026 · By Anthony Johnson

Northlake Police Caution Residents About Gas Pump Fraud

Northlake police warn of gas pump - Residents of Northlake are being urged to remain vigilant after local law enforcement issued a warning about a deceptive scheme targeting gas station users. This low-tech tactic, dubbed the "screw scam," exploits a simple mechanical flaw in gas pumps to siphon funds from unsuspecting customers. The police department emphasized that while the method may appear rudimentary, its effectiveness lies in its simplicity and the ease with which it can be executed.

How the Scam Operates

According to Northlake police, the scam involves inserting a tiny screw into the nozzle cradle of a gas pump. This small object is designed to block the lever that initiates the automatic shutdown of the pump. When a customer finishes fueling their vehicle and lifts the nozzle, the screw prevents the lever from returning to its original position, tricking the pump into continuing to charge the customer’s account as if the transaction were still in progress.

"The screw is strategically placed to mimic the natural movement of the pump’s mechanism," said a spokesperson for the Northlake Police Department. "This creates the illusion that the pump is functioning correctly, while in reality, it’s being manipulated to run indefinitely."

Meanwhile, a second individual, often positioned nearby, waits for the customer to leave. Once the victim drives away, the perpetrator quickly pulls up to the pump and fills their own tank, unaware that the payment system is still active. The unsuspecting customer’s card is charged for the fuel they did not actually purchase, often leading to confusion and delayed realization of the fraud.

Prevention Tips for Customers

To avoid falling victim to this scheme, Northlake police recommend several precautionary steps. First, customers should inspect the nozzle cradle before beginning their fueling process. The presence of a screw is usually visible when the nozzle is removed from its cradle, making it easy to spot if done carefully. This simple act of observation can prevent the scam from taking effect.

Second, the department advises individuals to wait until the pump’s display resets to zero. This ensures that the transaction has fully completed and the system is ready for the next user. "Many people rush to leave after pulling up, not realizing the pump is still processing charges," noted the spokesperson. "Waiting for the screen to clear is a critical step in safeguarding your account."

Third, customers should listen for the distinct click of the nozzle as it reattaches to the pump. This auditory cue confirms that the lever has returned to its closed position, signaling the end of the transaction. Additionally, printing a receipt is recommended to serve as proof of the final total. "A printed receipt acts as a tangible record, which can be invaluable if disputes arise," the police added.

What to Do If You Suspect a Scam

If a customer notices a gas pump that appears to be stuck in an active state, they should not attempt to use it themselves. Instead, the Northlake Police Department suggests immediately informing the station attendant to address the issue. "This allows the staff to secure the pump and investigate the anomaly," explained the spokesperson.

In cases where a customer believes they have been targeted, the department encourages prompt action. Contacting the local police is essential to report the incident, as well as reaching out to the credit card company to dispute any unauthorized charges. "Quick communication can prevent further damage and expedite the resolution process," the police said.

Why This Scam Is Effective

The "screw scam" thrives on the everyday routine of fueling a vehicle. Its low-tech nature makes it easy to execute without requiring advanced tools or knowledge. Scammers can insert the screw during brief moments when the pump is not in use, such as when a customer is paying with cash or a debit card. This allows them to avoid detection, as the tampering is often invisible to the untrained eye.

Moreover, the scam relies on the customer’s assumption that the pump is functioning normally. Since the lever remains in the open position, the pump’s screen continues to show a running total, creating a false sense of security. "People are less likely to question the pump’s behavior if it looks like it’s working as intended," the spokesperson pointed out. This psychological element is key to the scam’s success.

Additional Safety Measures

Northlake police also recommend that customers remain cautious when interacting with strangers at the gas pump. While it may be tempting to accept help from an unfamiliar person, this could be a tactic to manipulate the pump’s mechanism. "Always verify the nozzle’s position yourself before leaving," the department advised.

Furthermore, maintaining awareness of one’s surroundings is crucial. Scammers often work in pairs, with one person tampering with the pump while the other waits to exploit the situation. Observing other customers’ behavior can help identify patterns, such as a pump being left unattended for longer than usual or a suspicious individual lingering near the station.

Impact and Awareness

The Northlake Police Department has received reports of multiple instances involving the "screw scam" in recent months. While the exact number of affected customers remains undisclosed, the department is working to educate the public about the issue. "We want to ensure that every driver is informed and prepared to protect themselves," said the spokesperson.

Community outreach efforts are underway to raise awareness. Local businesses are being encouraged to post reminders about the scam and train employees to monitor for signs of tampering. Additionally, the police are collaborating with gas station operators to implement measures that can detect and prevent such incidents, such as regular inspections of nozzle cradles and alert systems for unusual pump activity.

By taking these steps, Northlake residents can significantly reduce the risk of becoming victims of the "screw scam." The police department underscores that staying informed and adopting simple habits—like checking the nozzle cradle and waiting for the pump to reset—can save individuals from financial loss. "This scam is preventable with a little attention to detail," the spokesperson concluded. "We encourage everyone to stay alert and report any suspicious activity immediately."

As the Northlake Police Department continues its efforts to combat this growing issue, they hope that increased public awareness will lead to fewer incidents and a safer environment for all gas station users. Whether it’s a momentary lapse in attention or a deliberate act of deception, the "screw scam" highlights the importance of mindfulness in everyday transactions. By staying vigilant and proactive, customers can protect themselves from falling prey to this clever and persistent form of fraud.