Oil companies almost always refuse to divulge the chemical soup they use for fracking, but in California they're forced to. From deep inside a Conservation Department report comes this list.
Three publications about murder, dating from 1998-1999, were on the FBI's website for years. Only two remain.
The Federal Emergency Management Agency once posted 19 Situation Reports from the days of Katrina and immediately afterward. Then they disappeared.
The Fire Department of New York's radio dispatches from the morning and early afternoon of 9/11. For more than three years, they fought in court to keep these recordings secret but were finally forced to release them in August 2005. For the first time anywhere, we made the contents of all 21 audio CDs available online.
The Justice Department's study of diversity among its attorney workforce was released with 50% of the text blacked out. We uncensored it and highlighted the previously hidden portions. A Memory Hole classic.
From the original Memory Hole, the photos that broke the Pentagon ban.