At some point before dawn, in the middle of a Williamsburg intersection, a manhole cover lifted and about seven people climbed out into the open street, in full view of passing cars. Some wore headlamps. Some carried what looked like shovels. Then they were gone. It was at least the third time in recent days that security cameras caught groups slipping in and out of New York City’s sewers, and the question of who they are has gone national.
The Gravesend video is the one that sticks. Around 2 a.m. on a quiet Brooklyn street, roughly seven people emerged from a maintenance hole, walked to a couple of parked cars, and calmly pulled out fresh clothes to change into. Police estimate the group had gone under around 11 p.m., which means they spent something like three hours in the sewer before surfacing to change and disappear. People do not pack a costume change for a wrong turn.
A third clip, from a Queens street on May 5, shows the preparation up close. Three people in waterproof hip waders and protective gear pried open a manhole cover and climbed down one by one. The last person reached up and pulled the cover shut behind them as cars slowed to a stop nearby. Waders, headlamps, tools, a planned exit: whatever this is, it is organized, and it is not anyone’s first time.
The official investigation has produced a partial answer and a bigger shrug. Police ran a thorough sweep of the tunnels and found no threat to public safety, and law enforcement sources said the activity does not appear to be nefarious. Their leading guess, reported by CBS New York, is almost wholesome by comparison: treasure hunters, people scouring the system for valuables that get washed or flushed down into the mains, or else extreme urban explorers. No one has been arrested, and no one official will say for certain.
The person best positioned to know thinks the treasure theory is mostly wrong. Steve Duncan spent the early 2000s descending into sewer mains under New York, London and Paris, and he figures these groups are explorers like he was, chasing the 19th-century tunnels that still run beneath the city. “The real reason is to see something new, or experience the city in a different way,” Duncan told reporters. As for the loot the police imagine, in all his years underground he says he rarely found anything of value beyond the odd credit card or tattered wallet. So the cops’ best guess is people hunting for treasure that the most experienced guy down there says is not really there.
What is left is the part New Yorkers actually love: a genuine, unsolved mystery playing out on doorbell cameras, equal parts dangerous and absurd. The sewers are real infrastructure, not a playground, which is why the Department of Environmental Protection controls who is supposed to be down there and the NYPD is still investigating. Anything in progress is a 911 call, and non-emergencies route through 311. Until someone gets caught on the way down or finally explains the shovels, the rest of us are stuck watching the clips and arguing in the comments.
Featured image: Bushwick Daily archive