Petition: Rip and Boomer Served Their Department. They Died in Its Parking Lot, in a Sealed SUV.

Rip was a four-year-old Belgian Malinois. Boomer was a six-year-old Springer Spaniel. Both served with the Salem County Sheriff’s Office in New Jersey, and on May 29, 2026, prosecutors say both were left in a police vehicle from about 8:30 in the morning until 3:30 in the afternoon — seven hours — while their handler worked inside the county courthouse. According to the Salem County Prosecutor’s Office, the engine was off, the windows were closed, and no emergency alert was ever triggered. Indoor kennels were available at the sheriff’s complex that day and went unused. The outside high was only 81 degrees, which sounds survivable until you know what that means inside a sealed car: an interior can climb to 120 to 125 degrees within a single hour. These dogs had six more. A necropsy by the New Jersey Animal Health Diagnostic Laboratory concluded they most likely died of hyperthermia. Their handler, K-9 Sergeant Cody L. Henderson, found them dead at 3:30 p.m. and drove them to an animal hospital in Delaware, where they were pronounced dead. He has been charged with multiple counts of animal cruelty, including two third-degree counts of causing an animal’s death by failing to provide necessary care, and has been suspended pending the outcome. Please sign the petition demanding accountability and mandatory safeguards for every police K-9.

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What makes this case so hard to accept is that the technology to prevent it was already installed. K-9 cruisers carry a heat alarm system — commonly the “Hot-N-Pop” — designed to sound the horn, flash the lights, drop the windows, and page the handler the moment the interior grows dangerous. Investigators allege it was switched off, and they do not believe any equipment malfunction contributed to the deaths. A safety system that a handler can simply disable is not a safety system; it is a suggestion. Police dogs are sworn members of these departments, honored at funerals when they fall in the line of duty, and they cannot open a door or call for help. Mandatory alarm checks, mandatory use of available kennels, and independent review of every K-9 death would cost almost nothing and would have saved both of these dogs. One Green Planet has covered the wider problem of dogs dying in hot vehicles in What To Do If You See a Dog in a Hot Car, and the reporting on the charges is available via NBC10 Philadelphia.

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