Fourth of July Murders of The San Angelo Teens

 A midnight fireworks display at Lake Nasworthy marks the last time anyone sees 16-year-old Shane Stewart and 18-year-old Sally McNelly alive. By dawn, Shane’s Camaro sits abandoned at a nearby reservoir. doors unlocked, keys missing, and no sign of a struggle. As a frantic search consumes the small town of San Angelo, Texas, whispers begin to circulate that the teenagers didn’t just run away. They stumbled into something dark. Satanic Cult? 

Let’s pull back the shadows that have kept these cold cases in the dark for far too long. Piece by piece, we’ll work to rebuild the truth not just for the story, but for the victims and the families still waiting for answers. The puzzle isn’t complete yet, but together, we’re getting closer.

Transcript

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It's july fourth, nineteen eighty eight, in San Angelo, Texas. The air is thick, hot, and smells like sulfur and barbecue. Sixteen year old Sally McNeilly and her eighteen year old boyfriend Shane Stewart are sitting in Shane's prized Chevrolet Camaro. They're watching the fireworks explode over Lake Nasworthy. It is a picture perfect slice of Americana. But by morning, the fireworks are gone. The Camaro is still there, parked by the water. The keys are dangling in the ignition. Shay's wallet is on the seed. But Shane and Sally completely vanished. Four months later, hunters would find what was left of them in a remote pasture near the Twins Butt Reservoir, seventeen miles away. They hadn't just been killed, guys, they had been executed with a shotgun. And for nearly forty years, this small Texas town has whispered about what happened that night. And those whispers always come back to one terrifying concept. A teenage satanic cult. A blood oath, and a secret someone was willing to execute two kids to keep. Welcome guys to Shadows Uncovered, and I'm your host Sarah. Today I want to dive deep into one of the most haunting, unsolved double homicides in Texas history. The murder of Shane Stewart and Sally McNeil. Let's set the scene for July 4th, okay? Shane and Sally were typically, you know, the typical Texas teens. Shane loved working on cars, especially his Camaro, and Sally was smart, vibrant, and fiercely protective over her friends. That evening, they did what every in one in San Angelo did, went to the lake for the fireworks. But things right away started getting really weird, especially for the next morning. On July 5th, Park Rangers spot Shane's Camaro. It's abandoned. And at first you think maybe, you know, they just walked off or went for a swim. But the doors are unlocked and the keys are in the ignition. And there are personal items there that are totally untouched. You just, guys, you don't just leave a car like that in 1988 unless you were forced out of it. A massive search effort began. Families are frantic. For four agonizing months, the town is holding its breath. Then November arrives. Deep in a brushy, isolated pasture near Twin Butts Reservoir, hunters stumbled upon skeletal remains. Dental records confirm the worst. It's Shane and Sally. The autopsy report delivers a brutal reality. Both teenagers died from close rain shotgun blasts. This wasn't a robbery gone wrong. This was a target of violent execution. Now, to understand why this case went cold, you guys have to understand the era. In nineteen eighty-eight, it was the absolute peak of the quote unquote satanic panic in America. Talk shows, police seminars, and news outlets were convinced that there was a highly organized underground network of devil worshippers sacrificing animals and people. And usually, you know, guys, those rumors were completely baseless. But in San Angelo, there was a terrifyingly specific tie-in. Friends of Shane and Sally started talking to investigators. They revealed that before their deaths, Shane and Sally had drifted into an occult group run by local teenagers. This guy wasn't just kids playing with a Ouija board. Witnesses claimed that the group was experimenting with blood rituals and dark oaths. But here is the critical turning point. Sally and Shane apparently got scared. They realized they were in over their head and tried to back out. Rumors then exploded that the cult viewed their departure as betrayal. Sally had reportedly told a friend she was terrified for her life just days before she disappeared. The theory became that they were executed to protect the group's secrets. The case gnarred massive national attention. It wasn't even featured. It was featured on Unsolved Mysteries, but despite the media storm, the wall of silence among the local youth never broke. And the case went completely ice cold. Now, I'm going to fast forward nearly three decades, guys, to June 2017. The Texas Rangers and local deputies execute an unrelated drug trafficking raid on a home in San Angelo. The house belonged to a man named John Cyrus Gilbreth. Gilbreath was the exact same age as Shane and Sally. He lived in San Angelo in 1988. And when police began tossing his house, they just didn't find drugs. They found a literal horror movie treasure trove of evidence hidden away. According to the unsealed search warrant affidative, authorities seized handwritten notes. And these guys weren't just random scribbles. The affidavits stated that they were quote unquote specific to the criminal offense of murder. And explicitly contain Shane and Sally's names. Now you guys think that's bad. It gets worse. They found three audio cassette tapes explicitly labeled with the initials SS, Shane Stewart. And most disturbing of all, investigators recovered preserved biological substances, a lock of hair, dried blood, and a fingernail. The town thought, you know, this is it. After twenty nine years, it's finally over. They finally found the killer. But here's a heartbreak twist, guys, of the American justice system. John Cyrus Gilbreth was named a formal person of interest. Obviously, I mean. But he was never charged with the murders. Why? You ask? Because prosecutors looked at the evidence and realized it was a legal minefield. Having old notes and creepy mementors in a highly suspicious but after thirty years proved beyond a reasonable doubt that those biological samples belonged to the victims, or that Gilbert pulled the trigger of a shotgun at Lake Naesworthy is an incredibly high legal bar. The district ruled the evidence was circumstantially powerful, but legally insufficient to guarantee a conviction. And now under double jeopardy, guys, you only get that one shot to try someone for murder. And if you go to trial with weak evidence and lose, that person walks free forever. So the state chose to wait. The story of Shane and Sally had found a second life recently, guys. Texas Monthly released a masterful investigative podcast series called Shane and Sally, was dragged all the old case files back into the light and forced a new generation to look at this tragedy. Shane's father, Marshall Stewart, had spent nearly 40 years fighting for his son. He is still waiting. The Texas Department of Public Safety still maintains an active cash reward for anyone who can provide that final missing piece of the puzzle. Someone in San Angelo knows exactly what happened on that shore of Lake Nasworthy on the 4th of July in 1988. They know if it was a cult or if it was a lone madman. Or you know what, guys, even if it was someone they'd seen in the grocery store every single week. Now, if you or anyone you know has any information regarding the murder of Shane Stewart or Sally McNeil, please contact the Texas DPS or local authorities. Please, guys, do not let 40 years become 50 years. Well, there you have it, guys. Happy Fourth of July special. Can you believe that? All that evidence, and yes, I agree, it's superstantial because of the time difference. But these two teens innocently sitting in their Camaro watching Fourth of July fireworks is just pitch grip, you know, picturesque. This is a perfect 4th of July. And this happens, and still to this day, they have no idea what happened. All right, guys, catch me next week for another crazy puzzle of a case. Bye.