Former Detective Reveals DNA Evidence Supporting Bigfoot Existence

Posted Wednesday, September 02, 2026

By Squatchable.com staff

So I was scrolling through YouTube the other night, looking for something fresh to dig into, and I stumbled across this interview that completely stopped me in my tracks. A former police detective — someone who spent decades catching liars, building airtight cases, and following evidence wherever it led — sitting down and calmly laying out what the data actually says about Sasquatch. And let me tell you, the way this all comes together is something else. The guest is David Paulides, and if that name sounds familiar, it's because he's become one of the most respected investigators in the field. But here's the thing — he didn't start out as a Bigfoot guy. He was hired by some tech guys who had an encounter and wanted someone to dig into whether it was real. That investigation took him to the Hupa reservation in California, about 35 miles south of where the famous Patterson-Gimlin footage was shot. For the next two years, he spent half his life up there, interviewing Native Americans and locals who had encounters of their own. One of the most fascinating parts of this conversation is when Paulides talks about working with Harvey Pratte, a Native American chief from Oklahoma who also happened to be an agent with the Oklahoma Bureau of Investigations and the state's top forensic sketch artist. Pratte's sketches were so accurate that when he drew a suspect, the drawing looked exactly like the person once they were caught. After the first day of interviews, Paulides and Pratte had completed six portraits — and they just stared at each other in shock. None of them matched what the academic world kept pushing (that Sasquatch was basically a gorilla). Instead, the witnesses were describing something that looked remarkably human. One witness in particular gave a description that stuck with me. Massive jaw, somewhat flat nose, very dark deep-set eyes, but with a really prominent brow ridge. Above that brow ridge was just empty space — no forehead like ours. No facial hair, but a different skin tone. Black hair growing from the sides, straight down the back, and from those ridges, flowing beautifully down the back of the head. And here's the part that gave me chills — the witness said they knew if the creature took one more step, they'd have a full view. It took that step... and it was like it stepped behind an invisible curtain. Just gone. Now, let's talk about the DNA, because this is where things get really interesting. Paulides explains that Wally Herron, the primary benefactor who funded the BFRO for years, had the idea to obtain DNA — and this was about ten years before Paulides got involved. During his first year investigating, there was an incident in Hupa where they found hair with follicles. Paulides called UC Davis, UC Berkeley, and seven or eight of the biggest research universities in the country. None of them wanted anything to do with Bigfoot hair. When you find a hair, you don't just jump straight to DNA testing. First, you send it to hair and fiber experts who have samples from every animal on the planet. They compare it to everything it could possibly be. The expert looked at this hair and said, "I've never seen this before." So it moved on to DNA testing. The result? It couldn't be identified as belonging to any known animal or human on Earth. Paulides then brought in Dr. Melba Ketchum, and together they put out a call on Coast to Coast AM asking anyone in North America to send in their samples — tissue, blood, saliva, anything verifiable. They ended up receiving 110 verifiable samples from Canada and the United States. Every single one came back with the same result. The maternal line DNA was identical across all samples, tracing back to the Middle East roughly 12,000 to 15,000 years ago. The paternal DNA? It didn't exist in Genbank — the world's DNA repository — which at the time held 352 billion base pairs and now holds 34 trillion. It had never been seen before. Never been categorized. It simply doesn't exist. Now, I know what skeptics love to bring up. They'll say Dr. Ketchum isn't a trained geneticist, she's a veterinarian. They'll say the findings were published in a journal she founded, so there's no impartiality. Paulides addresses both of these head-on, and his answers are worth hearing in full. He points out that Dr. Ketchum had signed an agreement with Nature magazine early on. Once the evidence came in — evidence they apparently thought would never appear and assumed would point to an ape or gorilla — they didn't publish it. They mocked it. They never gave a logical reason why, and no other journal would touch it after that. But here's what really got me. Dr. Ketchum has testified as a DNA expert in Texas courts and has literally sent people down death row with her testimony. If her expertise is good enough to condemn someone to death, it's good enough to determine an unclassified species. And she wasn't alone — multiple highly qualified PhD researchers worked on the technical paper. Paulides mentions Scott Carpenter's book "Truth Denied" as containing the documentation for anyone who wants to dig deeper. What makes this interview so compelling is the way Paulides presents everything. He doesn't embellish. He doesn't speculate. He just walks through the facts, the patterns he's observed in thousands of cases that almost nobody knows about, and lets the evidence speak for itself. There's a moment in the conversation where everything he says suddenly clicks together, and you'll know exactly when you hear it. It's not sensational for the sake of being sensational — it just forces you to rethink what these beings are truly capable of. If you've ever felt like the mainstream narrative around Sasquatch doesn't add up, this is one of those conversations that might shift your entire perspective. Definitely worth carving out some time to watch the whole thing.