agent provocateur
(pl agents provocateurs / 9AVCn
prE9vCkE5t\:(r); `BV9Bn pro9vBkE`t[/) (French 法) person employed to help in catching suspected criminals by tempting them to act illegally (受雇诱使嫌疑犯触犯刑律以便将之逮捕的)密探, 坐探.
Nor could he have foreseen how we could use the Internet to obtain information on every known subject, so we can read it on a screen in our homes and even print it as well if we want to.