The US Air Force denies it has anything to do with them, which clearly means it's true. In The Guardian.
But the mysterious discovery of an alien in his attic has spooked the 54-year-old screenwriter and bewildered extraterrestrial experts, who yesterday suggested the US military could be involved.The delicate 30cm (12 inch) figure of a baby alien is stored in a pungent liquid and has a US serial number painted on its four-toed foot. Possibly sculpted from a clay-like substance and painted grey, the model closely resembles the aliens depicted in a hoax film of an autopsy of the infamous "Roswell incident".
Via Fark