I don&#x27;t know what these guys are using, but I searched and found an article I remembered from DIY Drones last year.<p><a href="http:&#x2F;&#x2F;madhacker.org&#x2F;how-to-hijack-a-drone-by-telemetry-and-prevent-it&#x2F;" rel="nofollow">http:&#x2F;&#x2F;madhacker.org&#x2F;how-to-hijack-a-drone-by-telemetry-and-...</a>