You really need a factory to make them, especially if you want to make as many as the government will have. But running such a factory would be difficult to hide and you're dependent on large amounts of raw materials and products from other suppliers so there's a lot of ways that illegal operation would get shut down.
A distributed cottage industry would be better. In any case, if they can't stop the illegal drug trade, they wouldn't be able to stop illegal killbots.
Stubborn people against the rulers can build drones too.
A dang water hose can knock out most robots. Or oil, or debris getting into sensitive areas, sticky materials...
You really need a factory to make them, especially if you want to make as many as the government will have. But running such a factory would be difficult to hide and you're dependent on large amounts of raw materials and products from other suppliers so there's a lot of ways that illegal operation would get shut down.
A distributed cottage industry would be better. In any case, if they can't stop the illegal drug trade, they wouldn't be able to stop illegal killbots.
remember the dildocopter!