It wouldn't need to drop grenades. It could pick you up, fly high enough, and drop you to your death. Never runs out of ammo, just batteries.
This is pretty horrifying. Bonus points if you hit somebody on the way down?
This is pretty horrifying. Bonus points if you hit somebody on the way down?
The extraction case would only be for high-value targets (enemy military/economic/political leaders), where having them alive would give leverage on having them order their organizations to do something useful for the drone owner.
They're going to 'snatch' because they want prisoners to exchange, they want info, etc.