Tom Clancy's Splinter Cell Easter Egg - X-File Reference

In the CIA mission (#4) you are suppose to follow the informant into the smoking courtyard. At one point you follow him through some double doors with a keypad lock. Once on the otherside you find yourself in a short hallway. The informant that you must capture heads for the right. Normally you sould follow him, but instead head to the left and you'll find a door labled 'UFO Sightings'you'll need to pick the lock to get inside. It's a small room with a computer. Use it to read an E-mail sent to F.M. at the FBI. There's also a code to a keypad in the same room which lead to some supplies that you can use.