Earlier quoted context omitted.
Have you not heard of remote-id? It's a legal requirement for drones above 250g to broadcast not only their position but also the position of the operator and their identification number.
Yeah, I am pretty sure the people of Hamas are following the guidelines and have satisfied all of the regulatory requirements before flying their small grenade carry-on drones.
And the FCC is pretty damn ruthless about finding and triangulating signals that don't comply with their rules.