They jammed the control link so the operators couldnt control it, then used gps spoofing to make its "lost communication fly home" protocol land itself in hostile territory.
The launchers weren't on the edge of course, they're deeper in the country. That would be military suicide to have them right on the border, as you lose the layers of protection for close, low range threats like helos.
Except this is not what happened, nor could it over Kuwait at the time, because it was too far away.
They claimed
They jammed the control link so the operators couldnt control it, then used gps spoofing to make its "lost communication fly home" protocol land itself in hostile territory.