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For the parents, each change felt like losing their children all over again. The lake overlook where the trio was last seen had become a rest area with picnic tables. The banquet hall closed in 2004, left to rot until it was torn down. Even the high school, once full of memorial plaques and photos, renovated its hallways. The past was vanishing piece by piece, replaced by parking lots, playgrounds, and concrete.
By 2010, the case was nearly forgotten outside the families. Only the occasional article brought it back, usually around anniversaries. But for those who lived through it, the loss never dulled. Nikki’s father died in 2012, still sleeping in the bedroom across from hers. Elaine kept living in the same house, her daughter’s room preserved like a museum. The walls smelled faintly of her old perfume. Mark Mulaney, now a seasoned officer, admitted in an interview that he no longer expected to find them alive. “At this point,” he said, “I just want to bring them home.”
His words echoed through the county, reigniting the story briefly, but it would still take another six years before anyone realized the truth had been under their feet the entire time.
In July 2016, as developers broke ground near Dry Creek Industrial Park—the same land once tied to the old quarry—machinery struck something solid beneath the concrete. Workers thought it was piping, maybe an old tank. But the metal gleamed through the dust in a familiar, unmistakable curve. What they unearthed wasn’t a pipe. It was the roof of a car, sealed in concrete for more than two decades.
The site was part of an old industrial lot being prepped for redevelopment. Machines rumbled, dust hung in the air, the rhythmic clang of metal echoed. But beneath that forgotten stretch of pavement, something waited. Around 10:45 a.m., a backhoe operator felt his machine jolt. He thought he’d hit reinforced rebar or a buried fuel tank. He tried again, the bucket clanging against something solid. It didn’t sound like pipe. The foreman waved him to stop, and they started digging by hand. As they chipped away concrete, a metallic glint appeared under the dust. It wasn’t a pipe—it was a roof, and not the flat kind. It curved.
At first, the crew thought it might be an old storage container left from factory days. But when the light hit just right, they saw the faded shimmer of silver paint. One of them brushed the dust off and felt the outline of a windshield frame, then a door seam. Within minutes, they realized they were standing over a buried car.
The foreman radioed the county sheriff’s office. Deputies arrived, roped off the site, and halted all work. Excavation teams carefully exposed the rest of the structure. As machines peeled back layers of concrete and soil, the shape became undeniable—a compact two-door coupe crushed and sealed beneath nearly two feet of cement. The make and model weren’t visible yet, but what they could see was clear. This car had been entombed deliberately.
By evening, the lot was flooded with law enforcement and media. Floodlights illuminated the scene as investigators examined the vehicle half sunken in earth. The VIN number was partially legible. When an officer ran it through the database, everyone standing nearby fell silent. The number matched a 1989 Pontiac Grand Prix registered to Joseph Mulaney—the same Joseph who’d vanished after prom night in 1992, 24 years earlier.