A years-long investigation by the US Department of Homeland Security led to the dramatic rescue of a young girl whose abuse images had been circulating on the dark web — with a crucial clue hidden in the background of a photograph.
Specialist online investigator Greg Squire had nearly exhausted all leads while trying to identify and locate a 12-year-old girl his team had named Lucy. Explicit images of her were being distributed through encrypted networks designed to conceal users’ identities. The perpetrator had taken deliberate steps to erase identifying features, carefully cropping and altering images to avoid detection.
Despite those efforts, investigators found that the answer was concealed in plain sight.
Squire, part of an elite Homeland Security Investigations unit focused on identifying children in sexual abuse material, became deeply invested in Lucy’s case early in his career. The case struck him personally — Lucy was close in age to his own daughter, and new images of her abuse continued to surface online.
Initially, the team determined only that Lucy was likely somewhere in North America, based on visible electrical outlets and fixtures in the room. Attempts to seek assistance from Facebook proved unsuccessful. Although the company had facial recognition technology, it stated it "did not have the tools" to help with the search.
Investigators then scrutinized every visible detail in Lucy’s bedroom — bedding patterns, toys, clothing, and furniture. A breakthrough came when they realized that a sofa appearing in some images had only been sold regionally rather than nationwide, reducing the potential customer base to roughly 40,000 buyers.
"At that point in the investigation, we're [still] looking at 29 states here in the US. I mean, you're talking about tens of thousands of addresses, and that's a very, very daunting task," says Squire.
Still searching for more clues, Squire turned his attention to an exposed brick wall visible in the background of several photos. He contacted the Brick Industry Association after researching brick manufacturers.
"And the woman on the phone was awesome. She was like, 'how can the brick industry help?'"
The association circulated the image among brick specialists nationwide. One expert, John Harp — a veteran in brick sales since 1981 — quickly identified the material.
"I noticed that the brick was a very pink-cast brick, and it had a little bit of a charcoal overlay on it. It was a modular eight-inch brick and it was square-edged," he says. "When I saw that, I knew exactly what the brick was," he adds.
Harp identified it as a "Flaming Alamo".
"[Our company] made that brick from the late 60s through about the middle part of the 80s, and I had sold millions of bricks from that plant."
Although sales records were not digitized and existed only as a "pile of notes", Harp shared a vital insight.
"He goes: 'Bricks are heavy.' And he said: 'So heavy bricks don't go very far.'"
That observation narrowed the search dramatically. Investigators filtered the sofa buyers list to those living within a 100-mile radius of the brick factory in the American southwest
From there, social media analysis uncovered a photograph of Lucy alongside an adult woman believed to be a relative. Tracking related addresses and household members eventually led authorities to a single residence.
Investigators discovered that Lucy lived there with her mother’s boyfriend — a convicted sex offender. Within hours, local Homeland Security agents arrested the man, who had abused Lucy for six years. He was later sentenced to more than 70 years in prison.
Harp, who has fostered over 150 children and adopted three, said the rescue resonated deeply with him.
"We've had over 150 different children in our home. We've adopted three. So, doing that over those years, we have a lot of children in our home that were [previously] abused," he said.
"What [Squire's team] do day in and day out, and what they see, is a magnification of hundreds of times of what I've seen or had to deal with."
The emotional toll of the work eventually affected Squire’s mental health. He admits that outside of work, "alcohol was a bigger part of my life than it should have been".
Reflecting on that period, he said:
"At that point my kids were a bit older… and, you know, that almost enables you to push harder. Like… 'I bet if I get up at three this morning, I can surprise [a perpetrator] online.'
"But meanwhile, personally… 'Who's Greg? I don't even know what he likes to do.' All of your friends… during the day, you know, they're criminals… All they do is talk about the most horrific things all day long."
After his marriage ended and he experienced suicidal thoughts, colleague Pete Manning urged him to seek help.
"It's hard when the thing that brings you so much energy and drive is also the thing that's slowly destroying you," Manning says.
Squire credits confronting his struggles openly as the turning point.
"I feel honoured to be part of the team that can make a difference instead of watching it on TV or hearing about it… I'd rather be right in there in the fight trying to stop it."
Years later, Squire met Lucy — now in her 20s — for the first time. She said healing and support have helped her speak openly about her past.
"I have more stability. I'm able to have the energy to talk to people [about the abuse], which I could not have done… even, like, a couple years ago."
She revealed that when authorities intervened, she had been "praying actively for it to end".
"Not to sound cliché, but it was a prayer answered."
Squire shared that he wished he could have reassured her during those years.
"You wish there was some telepathy and you could reach out and be like, 'listen, we're coming'."
When questioned about its earlier role, Facebook responded: "To protect user privacy, it's important that we follow the appropriate legal process, but we work to support law enforcement as much as we can."