Idiot Ball: Given how Dangerously Genre-Savvy Ward is, it's somewhat surprising that he didn't account for the possibility of Skye stumbling upon Koenig's body.
That's what the penny trap was for. Ward obviously put it there as a way to tell the closet had been opened, but Skye was smart enough to put it back and he was in too much of a hurry to examine things any more closely than that.
Removed:
That's what the penny trap was for. Ward obviously put it there as a way to tell the closet had been opened, but Skye was smart enough to put it back and he was in too much of a hurry to examine things any more closely than that.