No joke. If I knew of a intel asset planted on my turf I would not reveal the fact that I knew unless the action was of immense benefit. Would you? Clearly Hisbollah thought it of use to reveal the items to the Lebanese Army at this time. What is weird is that Israel has made such an astounding amount of noise over the subject.
Netanyahu: We distinguish ourselves from our neighbors by denouncing murders in our midst (Haaretz)