"A comparison of current and historical photographs makes a convincing case for the Williamsburg station, and a spokesman for the police acknowledged that the site is in Brooklyn. But subway officials would not divulge the exact location. “There are some bloggers who can pinpoint these places because they eat and sleep transit lore, but officially, no, we’re not confirming anything,” Ms. Parker said."

Here’s a Surprise for Underground Art Lovers: Handcuffs - NYTimes.com