Thu 06 Aug 2026 / 09:44 ET
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Guardrail Guy Flock camera posts followed by vandalism charge in Tennessee

Steve Eimers paused his ALPR advocacy after finding damaged cameras he had flagged; police later announced a felony vandalism charge.

Dana Voss

By Dana Voss / Security Correspondent

Guardrail Guy Flock camera posts followed by vandalism charge in Tennessee
img: WIRED

Guardrail Guy Flock cameras posts about roadside safety were followed by damaged equipment and a criminal case in Tennessee. Steve Eimers, the road-safety advocate known online as the Guardrail Guy, says he stopped his work on automatic license plate reader cameras after finding two Flock cameras he had documented badly damaged on July 25. Days later, the Maryville Police Department and Blount County Sheriff’s Office announced that Adam Heimerman had been arrested and charged with felony vandalism over the alleged shooting of four ALPR cameras.

The dates and the overlap matter, but they do not establish a motive or show that Eimers’ videos caused the damage. Major deputy chief Ryan Rogers of the Maryville Police Department told WIRED that Heimerman’s arrest concerned the same cameras Eimers had flagged. The charge remains an allegation. WIRED reported that Heimerman did not respond to its request for comment, and that his lawyer could not immediately be identified.

Eimers said he found the first camera while driving home with one of his daughters and thought it looked as if it had been shot. He said a second camera, which he had featured in a May TikTok video, was similarly damaged. The alleged incidents cited by authorities occurred between July 14 and July 22, while the agencies announced the arrest on July 31.

What safety concern did the Guardrail Guy raise about Flock cameras?

Eimers’ argument is about roadside hardware, not whether police should use cameras. Automatic license plate readers are mounted cameras that capture vehicle data and can help track people suspected of crimes, according to WIRED. Eimers says some installations sit too close to guardrails or are added to existing roadside signs in ways that could interfere with a sign’s breakaway function in a crash.

A breakaway post is designed to give way in an impact rather than behave like a rigid roadside obstacle. WDBJ7 reported that Eimers has questioned whether certain camera and gunshot-detector poles receive independent crash-safety testing. He has also said he is not opposed to license plate readers themselves and has provided law enforcement with footage from public camera feeds.

His advocacy began after the death of his 17-year-old daughter, Hannah, when a guardrail pierced her car rather than redirecting it, WIRED reported. He began posting about ALPR installations in April, after building a large online following through videos about guardrail defects.

The response to those camera posts split along two tracks. Eimers focused on crashworthiness, while many commenters treated the cameras as a surveillance and privacy issue, WIRED reported. Eimers said some people urged him to destroy cameras and asked for their locations. He said the escalation prompted his indefinite pause in ALPR-related advocacy.

What does Flock say about its camera poles?

Flock told WDBJ7 that installation, permitting, approval and inspection requirements vary by jurisdiction and road type, and that its standards are designed to meet applicable transportation, engineering, accessibility and local requirements. The company said it uses advanced breakaway poles where required, including on DOT-managed roads, highways and higher-speed corridors, while many lower-speed deployments use standard poles.

Flock also said its MASH-standard breakaway poles, where required by DOT rules, were independently evaluated and certified through the Texas A&M Transportation Institute. That statement does not establish that every Flock installation uses such a pole. Virginia’s transportation department told WDBJ7 it does not inspect Flock cameras installed on city or county roads.

This story draws on original reporting from WIRED.

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