The life of a source is not a comfortable one. They can be blackmailed and pressured by their handler to take greater and greater risks at the threat of being exposed if they do not comply. They get no benefits other than the pay that they get from their handler. In the end, if they are caught it can be an annoyance for their sponsor if they were prodictive. If they were not very productive then they are completely expendable. Jonathan Pollard was such a source for an Israeli intelligance org. The fact that he is an American Jew clouds the issue a bit, but he was still a local source working for pay from his handler. When he was exposed, he was abandonded. That's the life of a source.
In Bahrain, 2 police officers killed, 6 wounded in bombing (AP)
from the article: Report: Dozens of U.S. spies captured in Lebanon and Iran