![Are aliens a threat to humanity? Are aliens a threat to humanity?](https://i.ytimg.com/vi/wWUoDbzOSvU/maxresdefault.jpg)
Former Pentagon official Lue Elizondo claims if non-human intelligence exists, there's one big sign they may not be benevolent. Watch Ross Coulthart's exclusive interview with Elizondo on Friday, Aug. 23 at 9p/8C. Find NewsNation on your screen: http://joinnn.com. More: https://trib.al/bSw1JPH ...
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