Okay that they created a machine that translates aliens language to human.
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If you're going to try to disprove something, at least take the time to read the story whoever faked it wrote. According to the guy who released the tape, the alien is a telepath. How do you communicate with a telepath? By using our own telepaths. Since when have we had telepaths? Since we started spending billions of dollars during the Cold War trying to study psychic phenomena i.e. telekinesis, remote viewing, telepathy, etc.
Does this story make any sense? Actually, it does, because both the USSR and the US spent quite a bit of money trying to spy on each other using psychics. Does this mean that the video is real? Not at all. There's no better way to lie than by combining truth with fallacies.
@ Arsen's post above me: They were supposedly interrogating the alien. Kinda hard to do when he's asleep. When you've supposedly dealt with aliens for the last 65 years or so, you probably wouldn't be afraid of them. Especially not when there's just one of them (who is terminally ill) in your custody.