"It is useful," Castiel nodded, "to know where those are you need to contact and those you need to avoid. Have you always had your ability Molly?"
Castiel never really went to great (or even small) efforts to hide his nature. It did not really occur to him there was a need to. He was not ashamed of what he was and he rarely found it difficult to convince people he was not human. He did not watch his words.
"If they are dead they are with the Lord or the Morning Star. I can find souls there too but it is much more difficult in Hell. It took me forty years to find Dean. He was dead but he is not now. I brought him back."
His tone was perfunctory as he were speaking of baking a cake or buying some milk from the shops. He looked into the middle distance, a little lost in how own thoughts.