Stealing the Peek
Mr. MercedesStealing the Peek is the copying of a car’s passive-keyless-entry code, a technique Brady Hartsfield uses to unlock cars without their owners’ keys. It turns an apparently ordinary piece of convenience technology into a means of covert access, and helps K. William Hodges reconsider how Olivia Trelawney’s Mercedes was entered and why its spare key was found inside.
The Method and Brady’s Use
Brady operates a device he calls Thing Two to capture a car’s PKE code. When he aims it at K. William Hodges, the device’s yellow ready-lamp turns green; Hodges’s car lights flash, and Thing Two’s green light blinks once to indicate that it has caught and stored the Toyota’s code. The brief exchange is enough to make the car’s electronic access signal function as a copied key.
This is not a one-time experiment. Brady has used Thing Two for almost two years, stealing PKE codes and unlocking cars so he can take valuables and cash. The money is inconsistent, but the thrill remains; the technique serves both practical theft and the excitement of entering a vehicle by stealth.
The Mercedes and Its Spare Key
The Mercedes belonging to Olivia Trelawney illustrates how Brady’s opportunism can be redirected toward a larger purpose. He finds a spare key in the glove compartment, inside a plastic bag with the owner’s manual and registration. His first impulse is to steal the car, drive it across the city, and damage it, but he leaves it untouched because he suspects it may have a greater role to play. The later use of the car confirms that restraint as part of a broader plan, rather than evidence that he lacked the opportunity.
The copied signal and the physical spare key are distinct elements of the problem. The electronic method could give someone access without using the key; the key’s presence in the car, meanwhile, becomes part of the question K. William Hodges asks when he reopens the case. Stealing the Peek thus supplies a plausible mechanism for entry while preserving the significance of the spare key’s discovery.
Hodges’s Retrospective Explanation
After retiring, K. William Hodges returns to Olivia Trelawney’s story and asks where the second key would have been if she had told the truth. Internet research leads him to the term “stealing the peek.” In conversation with Pete Huntley and Isabelle Jaynes, he presents the idea as an explanation for how a computer expert might have stolen Olivia’s key signal and then found the spare key left in the car.
Pete resists the theory, calling it far-fetched: it requires a technically capable thief to take the signal and also happen upon the forgotten spare. The exchange keeps the method from becoming a simple, unquestioned solution. For Hodges, however, it offers a technical possibility that makes Olivia’s account worth revisiting and brings him closer, he hopes, to identifying Mr. Mercedes.
Narrative Significance
The method gives electronic access a double meaning: a car can appear secure because its key is absent, while its signal has already been copied. Brady’s repeated thefts establish the technique as practiced routine; his decision to preserve Olivia’s Mercedes instead of joyriding it shows that the same routine can be subordinated to a more consequential design.
The term also marks a gap between evidence and inference. Brady is shown capturing Hodges’s Toyota code, and his history with Thing Two establishes his ability to do the same to other cars. Hodges’s explanation of Olivia’s case is an investigative hypothesis, challenged by Pete rather than conclusively demonstrated in the conversation. The concept therefore advances the investigation without erasing the uncertainty that made Olivia’s story difficult to believe.

