Thomas Castello, A Dulce Base whistleblower

Dulce Base is an alleged secret alien underground facility under Archuleta Mesa on the Colorado-New Mexico border near the town of Dulce, New Mexico in the United States. According to Thomas Castello, a former Dulce base security officer -- this particular under-world city is a highly secret base operated by humans as well as reptilian aliens and their worker cast, the commonly encountered Grey aliens.