[Raynor]

Originally Posted by Selmo

What Sam felt, through the Ring, was Sauron's power constantly watching over Mordor.

However, I doubt that Sauron constantly watches around Mordor; the quote mentions greater "urgency", which is more indicative of Sauron's intent, although, he remains in the 'dark'.

Originally Posted by Selmo

The vague reports of a spy in that area would not have concerned him.

Debatable

Originally Posted by The Choices of Master Samwise, TTT

- Now, now, growled Shagrat. I have my orders. And it s more than my belly’s worth, or yours, to break ‘em. _Any_ trespasser found by the guard is to be held at the tower. Prisoner is to be stripped. Full description of every article, garment, weapon, letter, ring, or trinket is to be sent to Lugburz at once, and to Lugburz _only_. And the prisoner is to be kept safe and intact, under pain of death for every member of the guard, until He sends or comes Himself.