Conversation so far:
What is the Salt Pit?
The Salt Pit is a black site or covert CIA interrogation center, in Afghanistan.
Are there any other interesting aspects about the Khalid El-Masri article?
While held by the CIA in Afghanistan, Khalid El-Masri was beaten, interrogated, kept in a squalid cell, and given only meager rations to eat and putrid water to drink.

Question: When did this occur?
Self-contained rewrite: When was Khalid El-Masri held by the CIA in Afghanistan?